Home / 725,107,278.47-1,086,886,540.94-413,544,022.92

Finding the Fourth Proportional to 725,107,278.47, 1,086,886,540.94 and 413,544,022.92

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Solution

The fourth proportional to 725,107,278.47, 1,086,886,540.94 and 413,544,022.92 is: 619,874,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,107,278.47 : 1,086,886,540.94 = 413,544,022.92 : x
  2. Step 2: Convert to fraction form
    725,107,278.47/1,086,886,540.94 = 413,544,022.92/x
  3. Step 3: Cross multiply
    725,107,278.47x = 1,086,886,540.94 × 413,544,022.92
  4. Step 4: Simplify right side
    725,107,278.47x = 449,475,432,595,863,168
  5. Step 5: Solve for x
    x = 449,475,432,595,863,168/725,107,278.47
  6. Step 6: Final answer
    x = 619,874,390.93

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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.