Home / 487,815,487.32-673,198,851.42-276,105,489.24

Finding the Fourth Proportional to 487,815,487.32, 673,198,851.42 and 276,105,489.24

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Solution

The fourth proportional to 487,815,487.32, 673,198,851.42 and 276,105,489.24 is: 381,033,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,815,487.32 : 673,198,851.42 = 276,105,489.24 : x
  2. Step 2: Convert to fraction form
    487,815,487.32/673,198,851.42 = 276,105,489.24/x
  3. Step 3: Cross multiply
    487,815,487.32x = 673,198,851.42 × 276,105,489.24
  4. Step 4: Simplify right side
    487,815,487.32x = 185,873,898,227,125,152
  5. Step 5: Solve for x
    x = 185,873,898,227,125,152/487,815,487.32
  6. Step 6: Final answer
    x = 381,033,204.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.