Home / 547,383,007.29-755,349,334.18-321,331,169.51

Finding the Fourth Proportional to 547,383,007.29, 755,349,334.18 and 321,331,169.51

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Solution

The fourth proportional to 547,383,007.29, 755,349,334.18 and 321,331,169.51 is: 443,413,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,383,007.29 : 755,349,334.18 = 321,331,169.51 : x
  2. Step 2: Convert to fraction form
    547,383,007.29/755,349,334.18 = 321,331,169.51/x
  3. Step 3: Cross multiply
    547,383,007.29x = 755,349,334.18 × 321,331,169.51
  4. Step 4: Simplify right side
    547,383,007.29x = 242,717,284,940,659,200
  5. Step 5: Solve for x
    x = 242,717,284,940,659,200/547,383,007.29
  6. Step 6: Final answer
    x = 443,413,992.96

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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.