Home / 681,856,212.28-1,022,803,374.48-221,794,383.46

Finding the Fourth Proportional to 681,856,212.28, 1,022,803,374.48 and 221,794,383.46

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Solution

The fourth proportional to 681,856,212.28, 1,022,803,374.48 and 221,794,383.46 is: 332,697,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,856,212.28 : 1,022,803,374.48 = 221,794,383.46 : x
  2. Step 2: Convert to fraction form
    681,856,212.28/1,022,803,374.48 = 221,794,383.46/x
  3. Step 3: Cross multiply
    681,856,212.28x = 1,022,803,374.48 × 221,794,383.46
  4. Step 4: Simplify right side
    681,856,212.28x = 226,852,043,843,599,104
  5. Step 5: Solve for x
    x = 226,852,043,843,599,104/681,856,212.28
  6. Step 6: Final answer
    x = 332,697,773.75

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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.