Home / 539,904,010.20-809,856,015.30-356,238,000.60

Finding the Fourth Proportional to 539,904,010.20, 809,856,015.30 and 356,238,000.60

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Solution

The fourth proportional to 539,904,010.20, 809,856,015.30 and 356,238,000.60 is: 534,357,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,904,010.20 : 809,856,015.30 = 356,238,000.60 : x
  2. Step 2: Convert to fraction form
    539,904,010.20/809,856,015.30 = 356,238,000.60/x
  3. Step 3: Cross multiply
    539,904,010.20x = 809,856,015.30 × 356,238,000.60
  4. Step 4: Simplify right side
    539,904,010.20x = 288,501,487,664,355,008
  5. Step 5: Solve for x
    x = 288,501,487,664,355,008/539,904,010.20
  6. Step 6: Final answer
    x = 534,357,000.90

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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.