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Finding the Fourth Proportional to 25,754,216,374.40, 38,631,324,561.60 and 25,754,216,374.40

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Solution

The fourth proportional to 25,754,216,374.40, 38,631,324,561.60 and 25,754,216,374.40 is: 38,631,324,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754,216,374.40 : 38,631,324,561.60 = 25,754,216,374.40 : x
  2. Step 2: Convert to fraction form
    25,754,216,374.40/38,631,324,561.60 = 25,754,216,374.40/x
  3. Step 3: Cross multiply
    25,754,216,374.40x = 38,631,324,561.60 × 25,754,216,374.40
  4. Step 4: Simplify right side
    25,754,216,374.40x = 994,919,491,589,119,672,320
  5. Step 5: Solve for x
    x = 994,919,491,589,119,672,320/25,754,216,374.40
  6. Step 6: Final answer
    x = 38,631,324,561.60

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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.