Home / 8,263,815,098.20-12,395,722,647.30-7,942,399,581.40

Finding the Fourth Proportional to 8,263,815,098.20, 12,395,722,647.30 and 7,942,399,581.40

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Solution

The fourth proportional to 8,263,815,098.20, 12,395,722,647.30 and 7,942,399,581.40 is: 11,913,599,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,815,098.20 : 12,395,722,647.30 = 7,942,399,581.40 : x
  2. Step 2: Convert to fraction form
    8,263,815,098.20/12,395,722,647.30 = 7,942,399,581.40/x
  3. Step 3: Cross multiply
    8,263,815,098.20x = 12,395,722,647.30 × 7,942,399,581.40
  4. Step 4: Simplify right side
    8,263,815,098.20x = 98,451,782,365,066,002,432
  5. Step 5: Solve for x
    x = 98,451,782,365,066,002,432/8,263,815,098.20
  6. Step 6: Final answer
    x = 11,913,599,372.10

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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.