In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Q: [199.501, 2.005, 150.437, 34.656, -46.429]
A: 
[ 0.586  0.006  0.442  0.102 -0.136]