Home / 339,344,820.12-508,310,995.20-215,911,706.52

Finding the Fourth Proportional to 339,344,820.12, 508,310,995.20 and 215,911,706.52

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Solution

The fourth proportional to 339,344,820.12, 508,310,995.20 and 215,911,706.52 is: 323,418,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,344,820.12 : 508,310,995.20 = 215,911,706.52 : x
  2. Step 2: Convert to fraction form
    339,344,820.12/508,310,995.20 = 215,911,706.52/x
  3. Step 3: Cross multiply
    339,344,820.12x = 508,310,995.20 × 215,911,706.52
  4. Step 4: Simplify right side
    339,344,820.12x = 109,750,294,416,511,536
  5. Step 5: Solve for x
    x = 109,750,294,416,511,536/339,344,820.12
  6. Step 6: Final answer
    x = 323,418,210.36

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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.