Home / 392,256,000.80-588,384,001.20-331,789,824.80

Finding the Fourth Proportional to 392,256,000.80, 588,384,001.20 and 331,789,824.80

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Solution

The fourth proportional to 392,256,000.80, 588,384,001.20 and 331,789,824.80 is: 497,684,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,256,000.80 : 588,384,001.20 = 331,789,824.80 : x
  2. Step 2: Convert to fraction form
    392,256,000.80/588,384,001.20 = 331,789,824.80/x
  3. Step 3: Cross multiply
    392,256,000.80x = 588,384,001.20 × 331,789,824.80
  4. Step 4: Simplify right side
    392,256,000.80x = 195,219,824,673,271,008
  5. Step 5: Solve for x
    x = 195,219,824,673,271,008/392,256,000.80
  6. Step 6: Final answer
    x = 497,684,737.20

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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.