Home / 310,278,873.60-465,418,310.40-305,743,910.40

Finding the Fourth Proportional to 310,278,873.60, 465,418,310.40 and 305,743,910.40

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Solution

The fourth proportional to 310,278,873.60, 465,418,310.40 and 305,743,910.40 is: 458,615,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,278,873.60 : 465,418,310.40 = 305,743,910.40 : x
  2. Step 2: Convert to fraction form
    310,278,873.60/465,418,310.40 = 305,743,910.40/x
  3. Step 3: Cross multiply
    310,278,873.60x = 465,418,310.40 × 305,743,910.40
  4. Step 4: Simplify right side
    310,278,873.60x = 142,298,814,193,456,976
  5. Step 5: Solve for x
    x = 142,298,814,193,456,976/310,278,873.60
  6. Step 6: Final answer
    x = 458,615,865.60

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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.