What is cross multiplication

The video tutorial explains the concept of cross multiplication, a method used to solve proportions by multiplying the extremes and means of two ratios. It provides a step-by-step guide on applying the formula, emphasizing the importance of maintaining the equality sign throughout the process. The tutorial concludes with solving equations using cross multiplication, making it easier to find solutions.

What is the condition under which cross multiplication can be applied?

Explain the process of cross multiplication as described in the text.

What does the equation a * D = b * C represent in the context of cross multiplication?

What common mistake do students make when performing cross multiplication?

How can one solve an equation after applying cross multiplication?