Cross multiplication done easy.
Do you remember Cross Multiplication?
If you don't it is a useful mathematical tool that can help convert from one unit to another, determine what the price of something was before the discount, and even how to resize an image and keep its correct Proportions.
Yes, this simple mathematical tool can come in handy in many situations; however, the reality is that no one actually wants to do the math required to use this formula. That is why RapidRatio was created. Now you can get all the benefits of this classic mathematical equation without doing any of the math associated with the equation.
To use RapidRatio you simply need to enter 3 of the 4 values, for the fourth value enter a zero, and press calculate. The result of the calculation will appear no math needed. (Common sense may apply if the answer seems way off, then you may want to make sure you have setup the problem correctly.)
Try RapidRatio today.