Home / 8,263,815,005.70-12,395,722,508.55-7,942,399,488.90

Finding the Fourth Proportional to 8,263,815,005.70, 12,395,722,508.55 and 7,942,399,488.90

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Solution

The fourth proportional to 8,263,815,005.70, 12,395,722,508.55 and 7,942,399,488.90 is: 11,913,599,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,815,005.70 : 12,395,722,508.55 = 7,942,399,488.90 : x
  2. Step 2: Convert to fraction form
    8,263,815,005.70/12,395,722,508.55 = 7,942,399,488.90/x
  3. Step 3: Cross multiply
    8,263,815,005.70x = 12,395,722,508.55 × 7,942,399,488.90
  4. Step 4: Simplify right side
    8,263,815,005.70x = 98,451,780,116,453,736,448
  5. Step 5: Solve for x
    x = 98,451,780,116,453,736,448/8,263,815,005.70
  6. Step 6: Final answer
    x = 11,913,599,233.35

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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.