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Finding the Fourth Proportional to 1,353,540,572.26, 1,868,498,029.97 and 852,485,728.39

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Solution

The fourth proportional to 1,353,540,572.26, 1,868,498,029.97 and 852,485,728.39 is: 1,176,815,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,540,572.26 : 1,868,498,029.97 = 852,485,728.39 : x
  2. Step 2: Convert to fraction form
    1,353,540,572.26/1,868,498,029.97 = 852,485,728.39/x
  3. Step 3: Cross multiply
    1,353,540,572.26x = 1,868,498,029.97 × 852,485,728.39
  4. Step 4: Simplify right side
    1,353,540,572.26x = 1,592,867,904,074,255,616
  5. Step 5: Solve for x
    x = 1,592,867,904,074,255,616/1,353,540,572.26
  6. Step 6: Final answer
    x = 1,176,815,779.83

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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.