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Finding the Fourth Proportional to 568,881,737.93, 853,390,918.76 and 200,340,468.72

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Solution

The fourth proportional to 568,881,737.93, 853,390,918.76 and 200,340,468.72 is: 300,534,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,881,737.93 : 853,390,918.76 = 200,340,468.72 : x
  2. Step 2: Convert to fraction form
    568,881,737.93/853,390,918.76 = 200,340,468.72/x
  3. Step 3: Cross multiply
    568,881,737.93x = 853,390,918.76 × 200,340,468.72
  4. Step 4: Simplify right side
    568,881,737.93x = 170,968,736,664,768,128
  5. Step 5: Solve for x
    x = 170,968,736,664,768,128/568,881,737.93
  6. Step 6: Final answer
    x = 300,534,760.15

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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.