Home / 14,279,647,590.40-21,419,471,385.60-8,474,894,694.40

Finding the Fourth Proportional to 14,279,647,590.40, 21,419,471,385.60 and 8,474,894,694.40

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Solution

The fourth proportional to 14,279,647,590.40, 21,419,471,385.60 and 8,474,894,694.40 is: 12,712,342,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,647,590.40 : 21,419,471,385.60 = 8,474,894,694.40 : x
  2. Step 2: Convert to fraction form
    14,279,647,590.40/21,419,471,385.60 = 8,474,894,694.40/x
  3. Step 3: Cross multiply
    14,279,647,590.40x = 21,419,471,385.60 × 8,474,894,694.40
  4. Step 4: Simplify right side
    14,279,647,590.40x = 181,527,764,402,674,040,832
  5. Step 5: Solve for x
    x = 181,527,764,402,674,040,832/14,279,647,590.40
  6. Step 6: Final answer
    x = 12,712,342,041.60

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Double scale
Find fourth proportional to 14,279,647,591.40, 21,419,471,387.10 and 8,474,894,695.40
Similar ratio
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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.