Home / 482,979,340.20-724,469,010.30-159,863,212.20

Finding the Fourth Proportional to 482,979,340.20, 724,469,010.30 and 159,863,212.20

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Solution

The fourth proportional to 482,979,340.20, 724,469,010.30 and 159,863,212.20 is: 239,794,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,979,340.20 : 724,469,010.30 = 159,863,212.20 : x
  2. Step 2: Convert to fraction form
    482,979,340.20/724,469,010.30 = 159,863,212.20/x
  3. Step 3: Cross multiply
    482,979,340.20x = 724,469,010.30 × 159,863,212.20
  4. Step 4: Simplify right side
    482,979,340.20x = 115,815,943,125,912,864
  5. Step 5: Solve for x
    x = 115,815,943,125,912,864/482,979,340.20
  6. Step 6: Final answer
    x = 239,794,818.30

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Similar ratio
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1.5x scale

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.