Home / 279,936,331.20-419,904,496.80-268,598,923.20

Finding the Fourth Proportional to 279,936,331.20, 419,904,496.80 and 268,598,923.20

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Solution

The fourth proportional to 279,936,331.20, 419,904,496.80 and 268,598,923.20 is: 402,898,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,331.20 : 419,904,496.80 = 268,598,923.20 : x
  2. Step 2: Convert to fraction form
    279,936,331.20/419,904,496.80 = 268,598,923.20/x
  3. Step 3: Cross multiply
    279,936,331.20x = 419,904,496.80 × 268,598,923.20
  4. Step 4: Simplify right side
    279,936,331.20x = 112,785,895,687,317,840
  5. Step 5: Solve for x
    x = 112,785,895,687,317,840/279,936,331.20
  6. Step 6: Final answer
    x = 402,898,384.80

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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.