Finding the Fourth Proportional to 418,545,998.70, 627,818,998.05 and 327,747,201.90
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Solution
The fourth proportional to 418,545,998.70, 627,818,998.05 and 327,747,201.90 is: 491,620,802.85
Step by Step Solution
- Step 1: Write the proportion equation
418,545,998.70 : 627,818,998.05 = 327,747,201.90 : x - Step 2: Convert to fraction form
418,545,998.70/627,818,998.05 = 327,747,201.90/x - Step 3: Cross multiply
418,545,998.70x = 627,818,998.05 × 327,747,201.90 - Step 4: Simplify right side
418,545,998.70x = 205,765,919,910,549,024 - Step 5: Solve for x
x = 205,765,919,910,549,024/418,545,998.70 - Step 6: Final answer
x = 491,620,802.85
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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.