Home / 851,395,001.44-1,174,702,753.20-498,781,437.61

Finding the Fourth Proportional to 851,395,001.44, 1,174,702,753.20 and 498,781,437.61

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Solution

The fourth proportional to 851,395,001.44, 1,174,702,753.20 and 498,781,437.61 is: 688,188,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,395,001.44 : 1,174,702,753.20 = 498,781,437.61 : x
  2. Step 2: Convert to fraction form
    851,395,001.44/1,174,702,753.20 = 498,781,437.61/x
  3. Step 3: Cross multiply
    851,395,001.44x = 1,174,702,753.20 × 498,781,437.61
  4. Step 4: Simplify right side
    851,395,001.44x = 585,919,928,005,521,024
  5. Step 5: Solve for x
    x = 585,919,928,005,521,024/851,395,001.44
  6. Step 6: Final answer
    x = 688,188,123.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.