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Finding the Fourth Proportional to 873,752,726.27, 1,205,778,716.13 and 471,866,436.33

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Solution

The fourth proportional to 873,752,726.27, 1,205,778,716.13 and 471,866,436.33 is: 651,175,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,752,726.27 : 1,205,778,716.13 = 471,866,436.33 : x
  2. Step 2: Convert to fraction form
    873,752,726.27/1,205,778,716.13 = 471,866,436.33/x
  3. Step 3: Cross multiply
    873,752,726.27x = 1,205,778,716.13 × 471,866,436.33
  4. Step 4: Simplify right side
    873,752,726.27x = 568,966,505,780,037,952
  5. Step 5: Solve for x
    x = 568,966,505,780,037,952/873,752,726.27
  6. Step 6: Final answer
    x = 651,175,657.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.