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Finding the Fourth Proportional to 574,428,915,037.70, 861,643,372,556.55 and 574,428,915,037.70

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Solution

The fourth proportional to 574,428,915,037.70, 861,643,372,556.55 and 574,428,915,037.70 is: 861,643,372,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,428,915,037.70 : 861,643,372,556.55 = 574,428,915,037.70 : x
  2. Step 2: Convert to fraction form
    574,428,915,037.70/861,643,372,556.55 = 574,428,915,037.70/x
  3. Step 3: Cross multiply
    574,428,915,037.70x = 861,643,372,556.55 × 574,428,915,037.70
  4. Step 4: Simplify right side
    574,428,915,037.70x = 494,952,867,647,083,717,328,896
  5. Step 5: Solve for x
    x = 494,952,867,647,083,717,328,896/574,428,915,037.70
  6. Step 6: Final answer
    x = 861,643,372,556.55

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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.