Home / 485,581,997.34-728,612,129.88-226,759,601.52

Finding the Fourth Proportional to 485,581,997.34, 728,612,129.88 and 226,759,601.52

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Solution

The fourth proportional to 485,581,997.34, 728,612,129.88 and 226,759,601.52 is: 340,251,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,581,997.34 : 728,612,129.88 = 226,759,601.52 : x
  2. Step 2: Convert to fraction form
    485,581,997.34/728,612,129.88 = 226,759,601.52/x
  3. Step 3: Cross multiply
    485,581,997.34x = 728,612,129.88 × 226,759,601.52
  4. Step 4: Simplify right side
    485,581,997.34x = 165,219,796,234,227,296
  5. Step 5: Solve for x
    x = 165,219,796,234,227,296/485,581,997.34
  6. Step 6: Final answer
    x = 340,251,074.26

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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.