Home / 8,164,398,947.64-12,236,649,146.09-4,231,937,101.56

Finding the Fourth Proportional to 8,164,398,947.64, 12,236,649,146.09 and 4,231,937,101.56

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Solution

The fourth proportional to 8,164,398,947.64, 12,236,649,146.09 and 4,231,937,101.56 is: 6,342,748,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164,398,947.64 : 12,236,649,146.09 = 4,231,937,101.56 : x
  2. Step 2: Convert to fraction form
    8,164,398,947.64/12,236,649,146.09 = 4,231,937,101.56/x
  3. Step 3: Cross multiply
    8,164,398,947.64x = 12,236,649,146.09 × 4,231,937,101.56
  4. Step 4: Simplify right side
    8,164,398,947.64x = 51,784,729,520,110,764,032
  5. Step 5: Solve for x
    x = 51,784,729,520,110,764,032/8,164,398,947.64
  6. Step 6: Final answer
    x = 6,342,748,541.84

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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.