Home / 393,719,514.98-590,442,508.42-219,109,012.16

Finding the Fourth Proportional to 393,719,514.98, 590,442,508.42 and 219,109,012.16

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Solution

The fourth proportional to 393,719,514.98, 590,442,508.42 and 219,109,012.16 is: 328,587,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,719,514.98 : 590,442,508.42 = 219,109,012.16 : x
  2. Step 2: Convert to fraction form
    393,719,514.98/590,442,508.42 = 219,109,012.16/x
  3. Step 3: Cross multiply
    393,719,514.98x = 590,442,508.42 × 219,109,012.16
  4. Step 4: Simplify right side
    393,719,514.98x = 129,371,274,753,678,704
  5. Step 5: Solve for x
    x = 129,371,274,753,678,704/393,719,514.98
  6. Step 6: Final answer
    x = 328,587,407.62

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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.