Home / 18,840,383,000.48-28,243,469,314.27-9,399,914,234.78

Finding the Fourth Proportional to 18,840,383,000.48, 28,243,469,314.27 and 9,399,914,234.78

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Solution

The fourth proportional to 18,840,383,000.48, 28,243,469,314.27 and 9,399,914,234.78 is: 14,091,337,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840,383,000.48 : 28,243,469,314.27 = 9,399,914,234.78 : x
  2. Step 2: Convert to fraction form
    18,840,383,000.48/28,243,469,314.27 = 9,399,914,234.78/x
  3. Step 3: Cross multiply
    18,840,383,000.48x = 28,243,469,314.27 × 9,399,914,234.78
  4. Step 4: Simplify right side
    18,840,383,000.48x = 265,486,189,246,680,694,784
  5. Step 5: Solve for x
    x = 265,486,189,246,680,694,784/18,840,383,000.48
  6. Step 6: Final answer
    x = 14,091,337,168.68

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Double scale
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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.