Home / 538,466,940.60-807,700,410.90-280,186,614.60

Finding the Fourth Proportional to 538,466,940.60, 807,700,410.90 and 280,186,614.60

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Solution

The fourth proportional to 538,466,940.60, 807,700,410.90 and 280,186,614.60 is: 420,279,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,466,940.60 : 807,700,410.90 = 280,186,614.60 : x
  2. Step 2: Convert to fraction form
    538,466,940.60/807,700,410.90 = 280,186,614.60/x
  3. Step 3: Cross multiply
    538,466,940.60x = 807,700,410.90 × 280,186,614.60
  4. Step 4: Simplify right side
    538,466,940.60x = 226,306,843,741,099,936
  5. Step 5: Solve for x
    x = 226,306,843,741,099,936/538,466,940.60
  6. Step 6: Final answer
    x = 420,279,921.90

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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.