Home / 408,591,619.60-612,887,429.40-336,847,084.60

Finding the Fourth Proportional to 408,591,619.60, 612,887,429.40 and 336,847,084.60

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Solution

The fourth proportional to 408,591,619.60, 612,887,429.40 and 336,847,084.60 is: 505,270,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,591,619.60 : 612,887,429.40 = 336,847,084.60 : x
  2. Step 2: Convert to fraction form
    408,591,619.60/612,887,429.40 = 336,847,084.60/x
  3. Step 3: Cross multiply
    408,591,619.60x = 612,887,429.40 × 336,847,084.60
  4. Step 4: Simplify right side
    408,591,619.60x = 206,449,343,781,378,336
  5. Step 5: Solve for x
    x = 206,449,343,781,378,336/408,591,619.60
  6. Step 6: Final answer
    x = 505,270,626.90

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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.