Home / 410,487,318.60-616,079,342.70-168,324,016.20

Finding the Fourth Proportional to 410,487,318.60, 616,079,342.70 and 168,324,016.20

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Solution

The fourth proportional to 410,487,318.60, 616,079,342.70 and 168,324,016.20 is: 252,628,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,487,318.60 : 616,079,342.70 = 168,324,016.20 : x
  2. Step 2: Convert to fraction form
    410,487,318.60/616,079,342.70 = 168,324,016.20/x
  3. Step 3: Cross multiply
    410,487,318.60x = 616,079,342.70 × 168,324,016.20
  4. Step 4: Simplify right side
    410,487,318.60x = 103,700,949,261,120,160
  5. Step 5: Solve for x
    x = 103,700,949,261,120,160/410,487,318.60
  6. Step 6: Final answer
    x = 252,628,874.42

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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.