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Finding the Fourth Proportional to 551,188,213,501.20, 826,782,320,251.80 and 551,188,213,501.20

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Solution

The fourth proportional to 551,188,213,501.20, 826,782,320,251.80 and 551,188,213,501.20 is: 826,782,320,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,188,213,501.20 : 826,782,320,251.80 = 551,188,213,501.20 : x
  2. Step 2: Convert to fraction form
    551,188,213,501.20/826,782,320,251.80 = 551,188,213,501.20/x
  3. Step 3: Cross multiply
    551,188,213,501.20x = 826,782,320,251.80 × 551,188,213,501.20
  4. Step 4: Simplify right side
    551,188,213,501.20x = 455,712,670,053,966,666,530,816
  5. Step 5: Solve for x
    x = 455,712,670,053,966,666,530,816/551,188,213,501.20
  6. Step 6: Final answer
    x = 826,782,320,251.80

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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.