Home / 279,936,327.70-419,904,491.55-268,598,919.70

Finding the Fourth Proportional to 279,936,327.70, 419,904,491.55 and 268,598,919.70

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Solution

The fourth proportional to 279,936,327.70, 419,904,491.55 and 268,598,919.70 is: 402,898,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,327.70 : 419,904,491.55 = 268,598,919.70 : x
  2. Step 2: Convert to fraction form
    279,936,327.70/419,904,491.55 = 268,598,919.70/x
  3. Step 3: Cross multiply
    279,936,327.70x = 419,904,491.55 × 268,598,919.70
  4. Step 4: Simplify right side
    279,936,327.70x = 112,785,892,807,507,776
  5. Step 5: Solve for x
    x = 112,785,892,807,507,776/279,936,327.70
  6. Step 6: Final answer
    x = 402,898,379.55

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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.