Home / 547,383,002.46-755,349,327.47-321,331,164.68

Finding the Fourth Proportional to 547,383,002.46, 755,349,327.47 and 321,331,164.68

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Solution

The fourth proportional to 547,383,002.46, 755,349,327.47 and 321,331,164.68 is: 443,413,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,383,002.46 : 755,349,327.47 = 321,331,164.68 : x
  2. Step 2: Convert to fraction form
    547,383,002.46/755,349,327.47 = 321,331,164.68/x
  3. Step 3: Cross multiply
    547,383,002.46x = 755,349,327.47 × 321,331,164.68
  4. Step 4: Simplify right side
    547,383,002.46x = 242,717,279,130,806,432
  5. Step 5: Solve for x
    x = 242,717,279,130,806,432/547,383,002.46
  6. Step 6: Final answer
    x = 443,413,986.26

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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.