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Finding the Fourth Proportional to 574,428,915,041.80, 861,643,372,562.70 and 574,428,915,041.80

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Solution

The fourth proportional to 574,428,915,041.80, 861,643,372,562.70 and 574,428,915,041.80 is: 861,643,372,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,428,915,041.80 : 861,643,372,562.70 = 574,428,915,041.80 : x
  2. Step 2: Convert to fraction form
    574,428,915,041.80/861,643,372,562.70 = 574,428,915,041.80/x
  3. Step 3: Cross multiply
    574,428,915,041.80x = 861,643,372,562.70 × 574,428,915,041.80
  4. Step 4: Simplify right side
    574,428,915,041.80x = 494,952,867,654,149,206,966,272
  5. Step 5: Solve for x
    x = 494,952,867,654,149,206,966,272/574,428,915,041.80
  6. Step 6: Final answer
    x = 861,643,372,562.70

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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.