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Finding the Fourth Proportional to 207,660,738.60, 311,491,107.90 and 207,660,738.60

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Solution

The fourth proportional to 207,660,738.60, 311,491,107.90 and 207,660,738.60 is: 311,491,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,660,738.60 : 311,491,107.90 = 207,660,738.60 : x
  2. Step 2: Convert to fraction form
    207,660,738.60/311,491,107.90 = 207,660,738.60/x
  3. Step 3: Cross multiply
    207,660,738.60x = 311,491,107.90 × 207,660,738.60
  4. Step 4: Simplify right side
    207,660,738.60x = 64,684,473,533,846,288
  5. Step 5: Solve for x
    x = 64,684,473,533,846,288/207,660,738.60
  6. Step 6: Final answer
    x = 311,491,107.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.