Finding the Fourth Proportional to 378,330,086.97, 522,131,457.24 and 237,223,644.12
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Solution
The fourth proportional to 378,330,086.97, 522,131,457.24 and 237,223,644.12 is: 327,391,162.54
Step by Step Solution
- Step 1: Write the proportion equation
378,330,086.97 : 522,131,457.24 = 237,223,644.12 : x - Step 2: Convert to fraction form
378,330,086.97/522,131,457.24 = 237,223,644.12/x - Step 3: Cross multiply
378,330,086.97x = 522,131,457.24 × 237,223,644.12 - Step 4: Simplify right side
378,330,086.97x = 123,861,926,996,158,768 - Step 5: Solve for x
x = 123,861,926,996,158,768/378,330,086.97 - Step 6: Final answer
x = 327,391,162.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.