Home / 327,639,812.80-491,459,719.20-294,761,329.60

Finding the Fourth Proportional to 327,639,812.80, 491,459,719.20 and 294,761,329.60

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Solution

The fourth proportional to 327,639,812.80, 491,459,719.20 and 294,761,329.60 is: 442,141,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,639,812.80 : 491,459,719.20 = 294,761,329.60 : x
  2. Step 2: Convert to fraction form
    327,639,812.80/491,459,719.20 = 294,761,329.60/x
  3. Step 3: Cross multiply
    327,639,812.80x = 491,459,719.20 × 294,761,329.60
  4. Step 4: Simplify right side
    327,639,812.80x = 144,863,320,276,234,656
  5. Step 5: Solve for x
    x = 144,863,320,276,234,656/327,639,812.80
  6. Step 6: Final answer
    x = 442,141,994.40

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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.