Home / 521,233,511.24-718,971,707.22-320,202,414.92

Finding the Fourth Proportional to 521,233,511.24, 718,971,707.22 and 320,202,414.92

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Solution

The fourth proportional to 521,233,511.24, 718,971,707.22 and 320,202,414.92 is: 441,676,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,233,511.24 : 718,971,707.22 = 320,202,414.92 : x
  2. Step 2: Convert to fraction form
    521,233,511.24/718,971,707.22 = 320,202,414.92/x
  3. Step 3: Cross multiply
    521,233,511.24x = 718,971,707.22 × 320,202,414.92
  4. Step 4: Simplify right side
    521,233,511.24x = 230,216,476,910,999,232
  5. Step 5: Solve for x
    x = 230,216,476,910,999,232/521,233,511.24
  6. Step 6: Final answer
    x = 441,676,277.42

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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.