Home / 539,082,123.90-809,154,027.45-266,760,383.10

Finding the Fourth Proportional to 539,082,123.90, 809,154,027.45 and 266,760,383.10

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Solution

The fourth proportional to 539,082,123.90, 809,154,027.45 and 266,760,383.10 is: 400,403,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,082,123.90 : 809,154,027.45 = 266,760,383.10 : x
  2. Step 2: Convert to fraction form
    539,082,123.90/809,154,027.45 = 266,760,383.10/x
  3. Step 3: Cross multiply
    539,082,123.90x = 809,154,027.45 × 266,760,383.10
  4. Step 4: Simplify right side
    539,082,123.90x = 215,850,238,349,469,920
  5. Step 5: Solve for x
    x = 215,850,238,349,469,920/539,082,123.90
  6. Step 6: Final answer
    x = 400,403,257.28

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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.