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Finding the Fourth Proportional to 568,757,443.71, 853,168,051.86 and 159,781,708.11

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Solution

The fourth proportional to 568,757,443.71, 853,168,051.86 and 159,781,708.11 is: 239,681,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,757,443.71 : 853,168,051.86 = 159,781,708.11 : x
  2. Step 2: Convert to fraction form
    568,757,443.71/853,168,051.86 = 159,781,708.11/x
  3. Step 3: Cross multiply
    568,757,443.71x = 853,168,051.86 × 159,781,708.11
  4. Step 4: Simplify right side
    568,757,443.71x = 136,320,648,631,071,872
  5. Step 5: Solve for x
    x = 136,320,648,631,071,872/568,757,443.71
  6. Step 6: Final answer
    x = 239,681,520.02

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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.