Home / 18,434,229,965.48-25,439,317,460.20-9,976,054,453.18

Finding the Fourth Proportional to 18,434,229,965.48, 25,439,317,460.20 and 9,976,054,453.18

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Solution

The fourth proportional to 18,434,229,965.48, 25,439,317,460.20 and 9,976,054,453.18 is: 13,766,998,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434,229,965.48 : 25,439,317,460.20 = 9,976,054,453.18 : x
  2. Step 2: Convert to fraction form
    18,434,229,965.48/25,439,317,460.20 = 9,976,054,453.18/x
  3. Step 3: Cross multiply
    18,434,229,965.48x = 25,439,317,460.20 × 9,976,054,453.18
  4. Step 4: Simplify right side
    18,434,229,965.48x = 253,784,016,234,687,954,944
  5. Step 5: Solve for x
    x = 253,784,016,234,687,954,944/18,434,229,965.48
  6. Step 6: Final answer
    x = 13,766,998,497.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.