Home / 805,083,205.38-1,207,425,353.66-344,969,198.34

Finding the Fourth Proportional to 805,083,205.38, 1,207,425,353.66 and 344,969,198.34

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Solution

The fourth proportional to 805,083,205.38, 1,207,425,353.66 and 344,969,198.34 is: 517,368,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,083,205.38 : 1,207,425,353.66 = 344,969,198.34 : x
  2. Step 2: Convert to fraction form
    805,083,205.38/1,207,425,353.66 = 344,969,198.34/x
  3. Step 3: Cross multiply
    805,083,205.38x = 1,207,425,353.66 × 344,969,198.34
  4. Step 4: Simplify right side
    805,083,205.38x = 416,524,556,307,481,152
  5. Step 5: Solve for x
    x = 416,524,556,307,481,152/805,083,205.38
  6. Step 6: Final answer
    x = 517,368,333.51

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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.