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Finding the Fourth Proportional to 557,235,374.80, 835,853,062.20 and 148,332,859.60

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Solution

The fourth proportional to 557,235,374.80, 835,853,062.20 and 148,332,859.60 is: 222,499,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,235,374.80 : 835,853,062.20 = 148,332,859.60 : x
  2. Step 2: Convert to fraction form
    557,235,374.80/835,853,062.20 = 148,332,859.60/x
  3. Step 3: Cross multiply
    557,235,374.80x = 835,853,062.20 × 148,332,859.60
  4. Step 4: Simplify right side
    557,235,374.80x = 123,984,474,921,542,672
  5. Step 5: Solve for x
    x = 123,984,474,921,542,672/557,235,374.80
  6. Step 6: Final answer
    x = 222,499,289.40

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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.