Home / 323,517,200.40-485,275,800.60-185,767,693.20

Finding the Fourth Proportional to 323,517,200.40, 485,275,800.60 and 185,767,693.20

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Solution

The fourth proportional to 323,517,200.40, 485,275,800.60 and 185,767,693.20 is: 278,651,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,517,200.40 : 485,275,800.60 = 185,767,693.20 : x
  2. Step 2: Convert to fraction form
    323,517,200.40/485,275,800.60 = 185,767,693.20/x
  3. Step 3: Cross multiply
    323,517,200.40x = 485,275,800.60 × 185,767,693.20
  4. Step 4: Simplify right side
    323,517,200.40x = 90,148,566,043,245,168
  5. Step 5: Solve for x
    x = 90,148,566,043,245,168/323,517,200.40
  6. Step 6: Final answer
    x = 278,651,539.80

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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.