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Finding the Fourth Proportional to 408,943,805,132.52, 613,415,707,698.78 and 408,943,805,132.52

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Solution

The fourth proportional to 408,943,805,132.52, 613,415,707,698.78 and 408,943,805,132.52 is: 613,415,707,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,943,805,132.52 : 613,415,707,698.78 = 408,943,805,132.52 : x
  2. Step 2: Convert to fraction form
    408,943,805,132.52/613,415,707,698.78 = 408,943,805,132.52/x
  3. Step 3: Cross multiply
    408,943,805,132.52x = 613,415,707,698.78 × 408,943,805,132.52
  4. Step 4: Simplify right side
    408,943,805,132.52x = 250,852,553,634,396,770,402,304
  5. Step 5: Solve for x
    x = 250,852,553,634,396,770,402,304/408,943,805,132.52
  6. Step 6: Final answer
    x = 613,415,707,698.78

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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.