How are percent problems related to proportional reasoning?

Use cross product to determine if the two ratios form a proportion. Here we can see that 2/16 and 5/40 are proportions since their cross products are equal. Percent means hundredths or per hundred and is written with the symbol, %. Percent is a ratio were we compare numbers to 100 which means that 1% is 1/100.

Step-by-step explanation:

10% of increase is the final answer! : )

i'm pretty sure it's 477,585,296, but perhaps my math is incorrect.