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Finding the Fourth Proportional to 2,543,618,087.53, 3,815,427,131.29 and 2,543,618,087.53

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Solution

The fourth proportional to 2,543,618,087.53, 3,815,427,131.29 and 2,543,618,087.53 is: 3,815,427,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,618,087.53 : 3,815,427,131.29 = 2,543,618,087.53 : x
  2. Step 2: Convert to fraction form
    2,543,618,087.53/3,815,427,131.29 = 2,543,618,087.53/x
  3. Step 3: Cross multiply
    2,543,618,087.53x = 3,815,427,131.29 × 2,543,618,087.53
  4. Step 4: Simplify right side
    2,543,618,087.53x = 9,704,989,462,776,508,416
  5. Step 5: Solve for x
    x = 9,704,989,462,776,508,416/2,543,618,087.53
  6. Step 6: Final answer
    x = 3,815,427,131.29

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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.