Home / 268,272,822.80-402,409,234.20-219,805,403.60

Finding the Fourth Proportional to 268,272,822.80, 402,409,234.20 and 219,805,403.60

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Solution

The fourth proportional to 268,272,822.80, 402,409,234.20 and 219,805,403.60 is: 329,708,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,822.80 : 402,409,234.20 = 219,805,403.60 : x
  2. Step 2: Convert to fraction form
    268,272,822.80/402,409,234.20 = 219,805,403.60/x
  3. Step 3: Cross multiply
    268,272,822.80x = 402,409,234.20 × 219,805,403.60
  4. Step 4: Simplify right side
    268,272,822.80x = 88,451,724,135,697,920
  5. Step 5: Solve for x
    x = 88,451,724,135,697,920/268,272,822.80
  6. Step 6: Final answer
    x = 329,708,105.40

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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.