Home / 401,325,040.80-553,827,432.78-222,735,891.24

Finding the Fourth Proportional to 401,325,040.80, 553,827,432.78 and 222,735,891.24

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Solution

The fourth proportional to 401,325,040.80, 553,827,432.78 and 222,735,891.24 is: 307,374,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,325,040.80 : 553,827,432.78 = 222,735,891.24 : x
  2. Step 2: Convert to fraction form
    401,325,040.80/553,827,432.78 = 222,735,891.24/x
  3. Step 3: Cross multiply
    401,325,040.80x = 553,827,432.78 × 222,735,891.24
  4. Step 4: Simplify right side
    401,325,040.80x = 123,357,246,833,414,496
  5. Step 5: Solve for x
    x = 123,357,246,833,414,496/401,325,040.80
  6. Step 6: Final answer
    x = 307,374,906.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.