Finding the Fourth Proportional to 486,775,222.36, 671,750,397.42 and 263,756,728
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Solution
The fourth proportional to 486,775,222.36, 671,750,397.42 and 263,756,728 is: 363,984,604.63
Step by Step Solution
- Step 1: Write the proportion equation
486,775,222.36 : 671,750,397.42 = 263,756,728 : x - Step 2: Convert to fraction form
486,775,222.36/671,750,397.42 = 263,756,728/x - Step 3: Cross multiply
486,775,222.36x = 671,750,397.42 × 263,756,728 - Step 4: Simplify right side
486,775,222.36x = 177,178,686,856,198,816 - Step 5: Solve for x
x = 177,178,686,856,198,816/486,775,222.36 - Step 6: Final answer
x = 363,984,604.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.