Home / 756,425,453.12-1,132,311,025.78-493,543,956.59

Finding the Fourth Proportional to 756,425,453.12, 1,132,311,025.78 and 493,543,956.59

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Solution

The fourth proportional to 756,425,453.12, 1,132,311,025.78 and 493,543,956.59 is: 738,797,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,425,453.12 : 1,132,311,025.78 = 493,543,956.59 : x
  2. Step 2: Convert to fraction form
    756,425,453.12/1,132,311,025.78 = 493,543,956.59/x
  3. Step 3: Cross multiply
    756,425,453.12x = 1,132,311,025.78 × 493,543,956.59
  4. Step 4: Simplify right side
    756,425,453.12x = 558,845,263,753,942,656
  5. Step 5: Solve for x
    x = 558,845,263,753,942,656/756,425,453.12
  6. Step 6: Final answer
    x = 738,797,539.73

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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.