Home / 747,012,313.08-1,120,906,265.85-304,679,509.76

Finding the Fourth Proportional to 747,012,313.08, 1,120,906,265.85 and 304,679,509.76

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Solution

The fourth proportional to 747,012,313.08, 1,120,906,265.85 and 304,679,509.76 is: 457,177,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,012,313.08 : 1,120,906,265.85 = 304,679,509.76 : x
  2. Step 2: Convert to fraction form
    747,012,313.08/1,120,906,265.85 = 304,679,509.76/x
  3. Step 3: Cross multiply
    747,012,313.08x = 1,120,906,265.85 × 304,679,509.76
  4. Step 4: Simplify right side
    747,012,313.08x = 341,517,171,568,892,480
  5. Step 5: Solve for x
    x = 341,517,171,568,892,480/747,012,313.08
  6. Step 6: Final answer
    x = 457,177,432.81

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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.