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Finding the Fourth Proportional to 1,458,488,729.95, 2,012,714,545.62 and 798,439,007.95

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Solution

The fourth proportional to 1,458,488,729.95, 2,012,714,545.62 and 798,439,007.95 is: 1,101,845,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,488,729.95 : 2,012,714,545.62 = 798,439,007.95 : x
  2. Step 2: Convert to fraction form
    1,458,488,729.95/2,012,714,545.62 = 798,439,007.95/x
  3. Step 3: Cross multiply
    1,458,488,729.95x = 2,012,714,545.62 × 798,439,007.95
  4. Step 4: Simplify right side
    1,458,488,729.95x = 1,607,029,805,087,375,616
  5. Step 5: Solve for x
    x = 1,607,029,805,087,375,616/1,458,488,729.95
  6. Step 6: Final answer
    x = 1,101,845,884.78

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Why These Related Problems?

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