Home / 547,383,006.29-755,349,332.81-321,331,168.51

Finding the Fourth Proportional to 547,383,006.29, 755,349,332.81 and 321,331,168.51

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Solution

The fourth proportional to 547,383,006.29, 755,349,332.81 and 321,331,168.51 is: 443,413,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,383,006.29 : 755,349,332.81 = 321,331,168.51 : x
  2. Step 2: Convert to fraction form
    547,383,006.29/755,349,332.81 = 321,331,168.51/x
  3. Step 3: Cross multiply
    547,383,006.29x = 755,349,332.81 × 321,331,168.51
  4. Step 4: Simplify right side
    547,383,006.29x = 242,717,283,745,843,744
  5. Step 5: Solve for x
    x = 242,717,283,745,843,744/547,383,006.29
  6. Step 6: Final answer
    x = 443,413,991.58

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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.