Home / 485,118,212.70-727,677,319.05-266,684,151.90

Finding the Fourth Proportional to 485,118,212.70, 727,677,319.05 and 266,684,151.90

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Solution

The fourth proportional to 485,118,212.70, 727,677,319.05 and 266,684,151.90 is: 400,026,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,118,212.70 : 727,677,319.05 = 266,684,151.90 : x
  2. Step 2: Convert to fraction form
    485,118,212.70/727,677,319.05 = 266,684,151.90/x
  3. Step 3: Cross multiply
    485,118,212.70x = 727,677,319.05 × 266,684,151.90
  4. Step 4: Simplify right side
    485,118,212.70x = 194,060,008,687,714,944
  5. Step 5: Solve for x
    x = 194,060,008,687,714,944/485,118,212.70
  6. Step 6: Final answer
    x = 400,026,227.85

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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.