Finding the Fourth Proportional to 378,107,560.20, 567,161,340.30 and 323,688,001.80
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Solution
The fourth proportional to 378,107,560.20, 567,161,340.30 and 323,688,001.80 is: 485,532,002.70
Step by Step Solution
- Step 1: Write the proportion equation
378,107,560.20 : 567,161,340.30 = 323,688,001.80 : x - Step 2: Convert to fraction form
378,107,560.20/567,161,340.30 = 323,688,001.80/x - Step 3: Cross multiply
378,107,560.20x = 567,161,340.30 × 323,688,001.80 - Step 4: Simplify right side
378,107,560.20x = 183,583,320,939,916,800 - Step 5: Solve for x
x = 183,583,320,939,916,800/378,107,560.20 - Step 6: Final answer
x = 485,532,002.70
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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.