Finding the Fourth Proportional to 1,645,440,531.20, 2,466,425,524.08 and 539,756,666.72
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Solution
The fourth proportional to 1,645,440,531.20, 2,466,425,524.08 and 539,756,666.72 is: 809,065,775.61
Step by Step Solution
- Step 1: Write the proportion equation
1,645,440,531.20 : 2,466,425,524.08 = 539,756,666.72 : x - Step 2: Convert to fraction form
1,645,440,531.20/2,466,425,524.08 = 539,756,666.72/x - Step 3: Cross multiply
1,645,440,531.20x = 2,466,425,524.08 × 539,756,666.72 - Step 4: Simplify right side
1,645,440,531.20x = 1,331,269,619,590,550,016 - Step 5: Solve for x
x = 1,331,269,619,590,550,016/1,645,440,531.20 - Step 6: Final answer
x = 809,065,775.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.