Home / 1,188,187,516.68-1,782,279,773.28-451,256,048.52

Finding the Fourth Proportional to 1,188,187,516.68, 1,782,279,773.28 and 451,256,048.52

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Solution

The fourth proportional to 1,188,187,516.68, 1,782,279,773.28 and 451,256,048.52 is: 676,883,502.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,187,516.68 : 1,782,279,773.28 = 451,256,048.52 : x
  2. Step 2: Convert to fraction form
    1,188,187,516.68/1,782,279,773.28 = 451,256,048.52/x
  3. Step 3: Cross multiply
    1,188,187,516.68x = 1,782,279,773.28 × 451,256,048.52
  4. Step 4: Simplify right side
    1,188,187,516.68x = 804,264,527,847,454,208
  5. Step 5: Solve for x
    x = 804,264,527,847,454,208/1,188,187,516.68
  6. Step 6: Final answer
    x = 676,883,502.44

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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.