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Finding the Fourth Proportional to 1,353,540,571.76, 1,868,498,029.28 and 852,485,727.89

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Solution

The fourth proportional to 1,353,540,571.76, 1,868,498,029.28 and 852,485,727.89 is: 1,176,815,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,540,571.76 : 1,868,498,029.28 = 852,485,727.89 : x
  2. Step 2: Convert to fraction form
    1,353,540,571.76/1,868,498,029.28 = 852,485,727.89/x
  3. Step 3: Cross multiply
    1,353,540,571.76x = 1,868,498,029.28 × 852,485,727.89
  4. Step 4: Simplify right side
    1,353,540,571.76x = 1,592,867,902,551,791,360
  5. Step 5: Solve for x
    x = 1,592,867,902,551,791,360/1,353,540,571.76
  6. Step 6: Final answer
    x = 1,176,815,779.14

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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.