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Finding the Fourth Proportional to 398,604,614.40, 597,906,921.60 and 244,751,788.80

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Solution

The fourth proportional to 398,604,614.40, 597,906,921.60 and 244,751,788.80 is: 367,127,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,604,614.40 : 597,906,921.60 = 244,751,788.80 : x
  2. Step 2: Convert to fraction form
    398,604,614.40/597,906,921.60 = 244,751,788.80/x
  3. Step 3: Cross multiply
    398,604,614.40x = 597,906,921.60 × 244,751,788.80
  4. Step 4: Simplify right side
    398,604,614.40x = 146,338,788,597,501,376
  5. Step 5: Solve for x
    x = 146,338,788,597,501,376/398,604,614.40
  6. Step 6: Final answer
    x = 367,127,683.20

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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.