Home / 354,312,086.40-531,468,129.60-263,612,822.40

Finding the Fourth Proportional to 354,312,086.40, 531,468,129.60 and 263,612,822.40

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Solution

The fourth proportional to 354,312,086.40, 531,468,129.60 and 263,612,822.40 is: 395,419,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,086.40 : 531,468,129.60 = 263,612,822.40 : x
  2. Step 2: Convert to fraction form
    354,312,086.40/531,468,129.60 = 263,612,822.40/x
  3. Step 3: Cross multiply
    354,312,086.40x = 531,468,129.60 × 263,612,822.40
  4. Step 4: Simplify right side
    354,312,086.40x = 140,101,813,659,504,992
  5. Step 5: Solve for x
    x = 140,101,813,659,504,992/354,312,086.40
  6. Step 6: Final answer
    x = 395,419,233.60

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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.