Home / 547,212,504.92-821,068,882.17-297,844,195.38

Finding the Fourth Proportional to 547,212,504.92, 821,068,882.17 and 297,844,195.38

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Solution

The fourth proportional to 547,212,504.92, 821,068,882.17 and 297,844,195.38 is: 446,902,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,212,504.92 : 821,068,882.17 = 297,844,195.38 : x
  2. Step 2: Convert to fraction form
    547,212,504.92/821,068,882.17 = 297,844,195.38/x
  3. Step 3: Cross multiply
    547,212,504.92x = 821,068,882.17 × 297,844,195.38
  4. Step 4: Simplify right side
    547,212,504.92x = 244,550,600,561,898,144
  5. Step 5: Solve for x
    x = 244,550,600,561,898,144/547,212,504.92
  6. Step 6: Final answer
    x = 446,902,434.36

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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.