Find the number that makes the ratio equivalent to 1:8.9:

Sure, to find the number that makes the ratio equivalent to 1:8.9, you need to follow these steps:

1. Understand the problem: We are given a ratio of 1:8.9 and we need to find a number that when multiplied with both parts of the ratio, the ratio remains the same.

2. Set up the equation: Let's denote the unknown number as x. The equation will be 1/x = 8.9/y, where y is the number we are looking for.

3. Solve the equation: To solve for y, we can cross-multiply and get y = 8.9 * x.

Without knowing the value of x, we cannot find the specific value of y. However, the relationship between x and y is that y is 8.9 times larger than x.