Home / 392,202,001.80-586,791,348.30-256,153,105.80

Finding the Fourth Proportional to 392,202,001.80, 586,791,348.30 and 256,153,105.80

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Solution

The fourth proportional to 392,202,001.80, 586,791,348.30 and 256,153,105.80 is: 383,242,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,202,001.80 : 586,791,348.30 = 256,153,105.80 : x
  2. Step 2: Convert to fraction form
    392,202,001.80/586,791,348.30 = 256,153,105.80/x
  3. Step 3: Cross multiply
    392,202,001.80x = 586,791,348.30 × 256,153,105.80
  4. Step 4: Simplify right side
    392,202,001.80x = 150,308,426,323,614,560
  5. Step 5: Solve for x
    x = 150,308,426,323,614,560/392,202,001.80
  6. Step 6: Final answer
    x = 383,242,374.17

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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.