Home / 8,172,481,230-12,258,721,979.46-1,961,646,507.72

Finding the Fourth Proportional to 8,172,481,230, 12,258,721,979.46 and 1,961,646,507.72

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Solution

The fourth proportional to 8,172,481,230, 12,258,721,979.46 and 1,961,646,507.72 is: 2,942,469,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,481,230 : 12,258,721,979.46 = 1,961,646,507.72 : x
  2. Step 2: Convert to fraction form
    8,172,481,230/12,258,721,979.46 = 1,961,646,507.72/x
  3. Step 3: Cross multiply
    8,172,481,230x = 12,258,721,979.46 × 1,961,646,507.72
  4. Step 4: Simplify right side
    8,172,481,230x = 24,047,279,160,118,112,256
  5. Step 5: Solve for x
    x = 24,047,279,160,118,112,256/8,172,481,230
  6. Step 6: Final answer
    x = 2,942,469,793.85

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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.