Home / 265,735,489.20-398,603,233.80-222,653,338.80

Finding the Fourth Proportional to 265,735,489.20, 398,603,233.80 and 222,653,338.80

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Solution

The fourth proportional to 265,735,489.20, 398,603,233.80 and 222,653,338.80 is: 333,980,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,735,489.20 : 398,603,233.80 = 222,653,338.80 : x
  2. Step 2: Convert to fraction form
    265,735,489.20/398,603,233.80 = 222,653,338.80/x
  3. Step 3: Cross multiply
    265,735,489.20x = 398,603,233.80 × 222,653,338.80
  4. Step 4: Simplify right side
    265,735,489.20x = 88,750,340,862,047,024
  5. Step 5: Solve for x
    x = 88,750,340,862,047,024/265,735,489.20
  6. Step 6: Final answer
    x = 333,980,008.20

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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.