Home / 20,691,947,446.10-31,037,921,169.15-5,970,449,129.30

Finding the Fourth Proportional to 20,691,947,446.10, 31,037,921,169.15 and 5,970,449,129.30

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Solution

The fourth proportional to 20,691,947,446.10, 31,037,921,169.15 and 5,970,449,129.30 is: 8,955,673,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,947,446.10 : 31,037,921,169.15 = 5,970,449,129.30 : x
  2. Step 2: Convert to fraction form
    20,691,947,446.10/31,037,921,169.15 = 5,970,449,129.30/x
  3. Step 3: Cross multiply
    20,691,947,446.10x = 31,037,921,169.15 × 5,970,449,129.30
  4. Step 4: Simplify right side
    20,691,947,446.10x = 185,310,329,419,633,655,808
  5. Step 5: Solve for x
    x = 185,310,329,419,633,655,808/20,691,947,446.10
  6. Step 6: Final answer
    x = 8,955,673,693.95

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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.