---
id: 5900f4571000cf542c50ff6a
challengeType: 5
title: 'Problem 235: An Arithmetic Geometric sequence'
videoUrl: ''
localeTitle: 'Problema 235: Uma sequência geométrica aritmética'
---

## Description
<section id="description"> Dada é a sequência aritmética-geométrica u (k) = (900-3k) rk-1. Seja s (n) = Σk = 1 ... nu (k). <p> Encontre o valor de r para o qual s (5000) = -600.000.000.000. </p><p> Dê sua resposta arredondada para 12 lugares atrás do ponto decimal. </p></section>

## Instructions
<section id="instructions">
</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: '<code>euler235()</code> deve retornar 1,002322108633.'
    testString: 'assert.strictEqual(euler235(), 1.002322108633, "<code>euler235()</code> should return 1.002322108633.");'

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function euler235() {
  // Good luck!
  return true;
}

euler235();

```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>