Finding the Fourth Proportional to 392,524,149.80, 588,786,224.70 and 239,469,141.80
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Solution
The fourth proportional to 392,524,149.80, 588,786,224.70 and 239,469,141.80 is: 359,203,712.70
Step by Step Solution
- Step 1: Write the proportion equation
392,524,149.80 : 588,786,224.70 = 239,469,141.80 : x - Step 2: Convert to fraction form
392,524,149.80/588,786,224.70 = 239,469,141.80/x - Step 3: Cross multiply
392,524,149.80x = 588,786,224.70 × 239,469,141.80 - Step 4: Simplify right side
392,524,149.80x = 140,996,131,932,570,976 - Step 5: Solve for x
x = 140,996,131,932,570,976/392,524,149.80 - Step 6: Final answer
x = 359,203,712.70
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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.