Home / 419,857,027.20-629,785,540.80-267,179,932.80

Finding the Fourth Proportional to 419,857,027.20, 629,785,540.80 and 267,179,932.80

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Solution

The fourth proportional to 419,857,027.20, 629,785,540.80 and 267,179,932.80 is: 400,769,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,857,027.20 : 629,785,540.80 = 267,179,932.80 : x
  2. Step 2: Convert to fraction form
    419,857,027.20/629,785,540.80 = 267,179,932.80/x
  3. Step 3: Cross multiply
    419,857,027.20x = 629,785,540.80 × 267,179,932.80
  4. Step 4: Simplify right side
    419,857,027.20x = 168,266,058,469,355,648
  5. Step 5: Solve for x
    x = 168,266,058,469,355,648/419,857,027.20
  6. Step 6: Final answer
    x = 400,769,899.20

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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.