Home / 339,958,304.10-509,937,456.15-217,514,297.70

Finding the Fourth Proportional to 339,958,304.10, 509,937,456.15 and 217,514,297.70

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Solution

The fourth proportional to 339,958,304.10, 509,937,456.15 and 217,514,297.70 is: 326,271,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,958,304.10 : 509,937,456.15 = 217,514,297.70 : x
  2. Step 2: Convert to fraction form
    339,958,304.10/509,937,456.15 = 217,514,297.70/x
  3. Step 3: Cross multiply
    339,958,304.10x = 509,937,456.15 × 217,514,297.70
  4. Step 4: Simplify right side
    339,958,304.10x = 110,918,687,645,391,792
  5. Step 5: Solve for x
    x = 110,918,687,645,391,792/339,958,304.10
  6. Step 6: Final answer
    x = 326,271,446.55

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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.