Finding the Fourth Proportional to 383,816,812.68, 575,726,892.08 and 121,502,647.20
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Solution
The fourth proportional to 383,816,812.68, 575,726,892.08 and 121,502,647.20 is: 182,254,500.43
Step by Step Solution
- Step 1: Write the proportion equation
383,816,812.68 : 575,726,892.08 = 121,502,647.20 : x - Step 2: Convert to fraction form
383,816,812.68/575,726,892.08 = 121,502,647.20/x - Step 3: Cross multiply
383,816,812.68x = 575,726,892.08 × 121,502,647.20 - Step 4: Simplify right side
383,816,812.68x = 69,952,341,451,948,720 - Step 5: Solve for x
x = 69,952,341,451,948,720/383,816,812.68 - Step 6: Final answer
x = 182,254,500.43
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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.