Home / 304,489,358.22-420,199,345.35-165,261,788.94

Finding the Fourth Proportional to 304,489,358.22, 420,199,345.35 and 165,261,788.94

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Solution

The fourth proportional to 304,489,358.22, 420,199,345.35 and 165,261,788.94 is: 228,063,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,489,358.22 : 420,199,345.35 = 165,261,788.94 : x
  2. Step 2: Convert to fraction form
    304,489,358.22/420,199,345.35 = 165,261,788.94/x
  3. Step 3: Cross multiply
    304,489,358.22x = 420,199,345.35 × 165,261,788.94
  4. Step 4: Simplify right side
    304,489,358.22x = 69,442,895,523,957,872
  5. Step 5: Solve for x
    x = 69,442,895,523,957,872/304,489,358.22
  6. Step 6: Final answer
    x = 228,063,456.57

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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.