Home / 398,556,857.08-550,008,698.66-222,344,853.04

Finding the Fourth Proportional to 398,556,857.08, 550,008,698.66 and 222,344,853.04

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Solution

The fourth proportional to 398,556,857.08, 550,008,698.66 and 222,344,853.04 is: 306,836,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,556,857.08 : 550,008,698.66 = 222,344,853.04 : x
  2. Step 2: Convert to fraction form
    398,556,857.08/550,008,698.66 = 222,344,853.04/x
  3. Step 3: Cross multiply
    398,556,857.08x = 550,008,698.66 × 222,344,853.04
  4. Step 4: Simplify right side
    398,556,857.08x = 122,291,603,274,279,328
  5. Step 5: Solve for x
    x = 122,291,603,274,279,328/398,556,857.08
  6. Step 6: Final answer
    x = 306,836,028.79

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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.