Home / 31,491,072,002.60-47,236,608,003.90-12,852,373,250.60

Finding the Fourth Proportional to 31,491,072,002.60, 47,236,608,003.90 and 12,852,373,250.60

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Solution

The fourth proportional to 31,491,072,002.60, 47,236,608,003.90 and 12,852,373,250.60 is: 19,278,559,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491,072,002.60 : 47,236,608,003.90 = 12,852,373,250.60 : x
  2. Step 2: Convert to fraction form
    31,491,072,002.60/47,236,608,003.90 = 12,852,373,250.60/x
  3. Step 3: Cross multiply
    31,491,072,002.60x = 47,236,608,003.90 × 12,852,373,250.60
  4. Step 4: Simplify right side
    31,491,072,002.60x = 607,102,517,158,402,195,456
  5. Step 5: Solve for x
    x = 607,102,517,158,402,195,456/31,491,072,002.60
  6. Step 6: Final answer
    x = 19,278,559,875.90

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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.