---
id: 5
localeTitle: 5900f4571000cf542c50ff6a
challengeType: 5
title: 'Problem 235: An Arithmetic Geometric sequence'
---

## Description
<section id='description'> 
Dado es la secuencia aritmético-geométrica u (k) = (900-3k) rk-1. 
Sea s (n) = Σk = 1 ... nu (k). 


Halla el valor de r para el cual s (5000) = -600,000,000,000. 


Da tu respuesta redondeada a 12 lugares detrás del punto decimal. 
</section>

## Instructions
<section id='instructions'> 

</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: <code>euler235()</code> debe devolver 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>