Home / 981,227,751.31-1,472,496,157.79-508,962,050.56

Finding the Fourth Proportional to 981,227,751.31, 1,472,496,157.79 and 508,962,050.56

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Solution

The fourth proportional to 981,227,751.31, 1,472,496,157.79 and 508,962,050.56 is: 763,782,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,227,751.31 : 1,472,496,157.79 = 508,962,050.56 : x
  2. Step 2: Convert to fraction form
    981,227,751.31/1,472,496,157.79 = 508,962,050.56/x
  3. Step 3: Cross multiply
    981,227,751.31x = 1,472,496,157.79 × 508,962,050.56
  4. Step 4: Simplify right side
    981,227,751.31x = 749,444,663,910,519,680
  5. Step 5: Solve for x
    x = 749,444,663,910,519,680/981,227,751.31
  6. Step 6: Final answer
    x = 763,782,580.46

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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.