Home / 318,515,456.92-439,564,967.49-177,386,676.56

Finding the Fourth Proportional to 318,515,456.92, 439,564,967.49 and 177,386,676.56

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Solution

The fourth proportional to 318,515,456.92, 439,564,967.49 and 177,386,676.56 is: 244,801,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,515,456.92 : 439,564,967.49 = 177,386,676.56 : x
  2. Step 2: Convert to fraction form
    318,515,456.92/439,564,967.49 = 177,386,676.56/x
  3. Step 3: Cross multiply
    318,515,456.92x = 439,564,967.49 × 177,386,676.56
  4. Step 4: Simplify right side
    318,515,456.92x = 77,972,968,715,255,552
  5. Step 5: Solve for x
    x = 77,972,968,715,255,552/318,515,456.92
  6. Step 6: Final answer
    x = 244,801,208.30

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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.