Home / 279,936,276.30-419,904,414.46-178,151,546.70

Finding the Fourth Proportional to 279,936,276.30, 419,904,414.46 and 178,151,546.70

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Solution

The fourth proportional to 279,936,276.30, 419,904,414.46 and 178,151,546.70 is: 267,227,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,276.30 : 419,904,414.46 = 178,151,546.70 : x
  2. Step 2: Convert to fraction form
    279,936,276.30/419,904,414.46 = 178,151,546.70/x
  3. Step 3: Cross multiply
    279,936,276.30x = 419,904,414.46 × 178,151,546.70
  4. Step 4: Simplify right side
    279,936,276.30x = 74,806,620,902,206,832
  5. Step 5: Solve for x
    x = 74,806,620,902,206,832/279,936,276.30
  6. Step 6: Final answer
    x = 267,227,320.06

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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.