Home / 8,172,481,474.57-12,258,722,374.05-1,961,646,761.20

Finding the Fourth Proportional to 8,172,481,474.57, 12,258,722,374.05 and 1,961,646,761.20

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Solution

The fourth proportional to 8,172,481,474.57, 12,258,722,374.05 and 1,961,646,761.20 is: 2,942,470,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,481,474.57 : 12,258,722,374.05 = 1,961,646,761.20 : x
  2. Step 2: Convert to fraction form
    8,172,481,474.57/12,258,722,374.05 = 1,961,646,761.20/x
  3. Step 3: Cross multiply
    8,172,481,474.57x = 12,258,722,374.05 × 1,961,646,761.20
  4. Step 4: Simplify right side
    8,172,481,474.57x = 24,047,283,041,505,157,120
  5. Step 5: Solve for x
    x = 24,047,283,041,505,157,120/8,172,481,474.57
  6. Step 6: Final answer
    x = 2,942,470,180.73

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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.