Finding the Fourth Proportional to 456,239,654.99, 684,086,184.17 and 145,212,923.87
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Solution
The fourth proportional to 456,239,654.99, 684,086,184.17 and 145,212,923.87 is: 217,732,399.84
Step by Step Solution
- Step 1: Write the proportion equation
456,239,654.99 : 684,086,184.17 = 145,212,923.87 : x - Step 2: Convert to fraction form
456,239,654.99/684,086,184.17 = 145,212,923.87/x - Step 3: Cross multiply
456,239,654.99x = 684,086,184.17 × 145,212,923.87 - Step 4: Simplify right side
456,239,654.99x = 99,338,154,983,925,712 - Step 5: Solve for x
x = 99,338,154,983,925,712/456,239,654.99 - Step 6: Final answer
x = 217,732,399.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.