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Finding the Fourth Proportional to 408,832,609.60, 613,248,914.40 and 163,227,151.45

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Solution

The fourth proportional to 408,832,609.60, 613,248,914.40 and 163,227,151.45 is: 244,840,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,832,609.60 : 613,248,914.40 = 163,227,151.45 : x
  2. Step 2: Convert to fraction form
    408,832,609.60/613,248,914.40 = 163,227,151.45/x
  3. Step 3: Cross multiply
    408,832,609.60x = 613,248,914.40 × 163,227,151.45
  4. Step 4: Simplify right side
    408,832,609.60x = 100,098,873,427,316,880
  5. Step 5: Solve for x
    x = 100,098,873,427,316,880/408,832,609.60
  6. Step 6: Final answer
    x = 244,840,727.18

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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.