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Finding the Fourth Proportional to 551,188,206,781.95, 826,782,310,172.92 and 551,188,206,781.95

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Solution

The fourth proportional to 551,188,206,781.95, 826,782,310,172.92 and 551,188,206,781.95 is: 826,782,310,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,188,206,781.95 : 826,782,310,172.92 = 551,188,206,781.95 : x
  2. Step 2: Convert to fraction form
    551,188,206,781.95/826,782,310,172.92 = 551,188,206,781.95/x
  3. Step 3: Cross multiply
    551,188,206,781.95x = 826,782,310,172.92 × 551,188,206,781.95
  4. Step 4: Simplify right side
    551,188,206,781.95x = 455,712,658,943,249,733,386,240
  5. Step 5: Solve for x
    x = 455,712,658,943,249,733,386,240/551,188,206,781.95
  6. Step 6: Final answer
    x = 826,782,310,172.92

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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.