Home / 821,907,856.39-1,232,737,217.10-223,692,324.56

Finding the Fourth Proportional to 821,907,856.39, 1,232,737,217.10 and 223,692,324.56

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Solution

The fourth proportional to 821,907,856.39, 1,232,737,217.10 and 223,692,324.56 is: 335,504,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,907,856.39 : 1,232,737,217.10 = 223,692,324.56 : x
  2. Step 2: Convert to fraction form
    821,907,856.39/1,232,737,217.10 = 223,692,324.56/x
  3. Step 3: Cross multiply
    821,907,856.39x = 1,232,737,217.10 × 223,692,324.56
  4. Step 4: Simplify right side
    821,907,856.39x = 275,753,853,664,724,352
  5. Step 5: Solve for x
    x = 275,753,853,664,724,352/821,907,856.39
  6. Step 6: Final answer
    x = 335,504,584.27

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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.