Home / 8,138,162,358.80-12,190,898,901.36-3,710,491,191.80

Finding the Fourth Proportional to 8,138,162,358.80, 12,190,898,901.36 and 3,710,491,191.80

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Solution

The fourth proportional to 8,138,162,358.80, 12,190,898,901.36 and 3,710,491,191.80 is: 5,558,284,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,162,358.80 : 12,190,898,901.36 = 3,710,491,191.80 : x
  2. Step 2: Convert to fraction form
    8,138,162,358.80/12,190,898,901.36 = 3,710,491,191.80/x
  3. Step 3: Cross multiply
    8,138,162,358.80x = 12,190,898,901.36 × 3,710,491,191.80
  4. Step 4: Simplify right side
    8,138,162,358.80x = 45,234,222,993,620,582,400
  5. Step 5: Solve for x
    x = 45,234,222,993,620,582,400/8,138,162,358.80
  6. Step 6: Final answer
    x = 5,558,284,659.28

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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.