Home / 278,464,773.27-383,897,402.78-222,140,688.13

Finding the Fourth Proportional to 278,464,773.27, 383,897,402.78 and 222,140,688.13

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Solution

The fourth proportional to 278,464,773.27, 383,897,402.78 and 222,140,688.13 is: 306,247,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,464,773.27 : 383,897,402.78 = 222,140,688.13 : x
  2. Step 2: Convert to fraction form
    278,464,773.27/383,897,402.78 = 222,140,688.13/x
  3. Step 3: Cross multiply
    278,464,773.27x = 383,897,402.78 × 222,140,688.13
  4. Step 4: Simplify right side
    278,464,773.27x = 85,279,233,224,868,960
  5. Step 5: Solve for x
    x = 85,279,233,224,868,960/278,464,773.27
  6. Step 6: Final answer
    x = 306,247,832.44

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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.