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Finding the Fourth Proportional to 13,192,220,930.20, 19,788,331,395.30 and 13,192,220,930.20

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Solution

The fourth proportional to 13,192,220,930.20, 19,788,331,395.30 and 13,192,220,930.20 is: 19,788,331,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,220,930.20 : 19,788,331,395.30 = 13,192,220,930.20 : x
  2. Step 2: Convert to fraction form
    13,192,220,930.20/19,788,331,395.30 = 13,192,220,930.20/x
  3. Step 3: Cross multiply
    13,192,220,930.20x = 19,788,331,395.30 × 13,192,220,930.20
  4. Step 4: Simplify right side
    13,192,220,930.20x = 261,052,039,606,810,443,776
  5. Step 5: Solve for x
    x = 261,052,039,606,810,443,776/13,192,220,930.20
  6. Step 6: Final answer
    x = 19,788,331,395.30

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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.