Home / 681,856,212.78-1,022,803,375.23-221,794,383.96

Finding the Fourth Proportional to 681,856,212.78, 1,022,803,375.23 and 221,794,383.96

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Solution

The fourth proportional to 681,856,212.78, 1,022,803,375.23 and 221,794,383.96 is: 332,697,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,856,212.78 : 1,022,803,375.23 = 221,794,383.96 : x
  2. Step 2: Convert to fraction form
    681,856,212.78/1,022,803,375.23 = 221,794,383.96/x
  3. Step 3: Cross multiply
    681,856,212.78x = 1,022,803,375.23 × 221,794,383.96
  4. Step 4: Simplify right side
    681,856,212.78x = 226,852,044,521,346,592
  5. Step 5: Solve for x
    x = 226,852,044,521,346,592/681,856,212.78
  6. Step 6: Final answer
    x = 332,697,774.50

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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.