Home / 398,556,858.08-550,008,700.04-222,344,854.04

Finding the Fourth Proportional to 398,556,858.08, 550,008,700.04 and 222,344,854.04

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Solution

The fourth proportional to 398,556,858.08, 550,008,700.04 and 222,344,854.04 is: 306,836,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,556,858.08 : 550,008,700.04 = 222,344,854.04 : x
  2. Step 2: Convert to fraction form
    398,556,858.08/550,008,700.04 = 222,344,854.04/x
  3. Step 3: Cross multiply
    398,556,858.08x = 550,008,700.04 × 222,344,854.04
  4. Step 4: Simplify right side
    398,556,858.08x = 122,291,604,131,123,936
  5. Step 5: Solve for x
    x = 122,291,604,131,123,936/398,556,858.08
  6. Step 6: Final answer
    x = 306,836,030.17

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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.