Home / 265,718,020.20-398,577,030.30-222,719,850.60

Finding the Fourth Proportional to 265,718,020.20, 398,577,030.30 and 222,719,850.60

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Solution

The fourth proportional to 265,718,020.20, 398,577,030.30 and 222,719,850.60 is: 334,079,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,718,020.20 : 398,577,030.30 = 222,719,850.60 : x
  2. Step 2: Convert to fraction form
    265,718,020.20/398,577,030.30 = 222,719,850.60/x
  3. Step 3: Cross multiply
    265,718,020.20x = 398,577,030.30 × 222,719,850.60
  4. Step 4: Simplify right side
    265,718,020.20x = 88,771,016,641,007,680
  5. Step 5: Solve for x
    x = 88,771,016,641,007,680/265,718,020.20
  6. Step 6: Final answer
    x = 334,079,775.90

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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.