Home / 805,083,203.65-1,207,425,351.05-344,969,196.61

Finding the Fourth Proportional to 805,083,203.65, 1,207,425,351.05 and 344,969,196.61

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Solution

The fourth proportional to 805,083,203.65, 1,207,425,351.05 and 344,969,196.61 is: 517,368,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,083,203.65 : 1,207,425,351.05 = 344,969,196.61 : x
  2. Step 2: Convert to fraction form
    805,083,203.65/1,207,425,351.05 = 344,969,196.61/x
  3. Step 3: Cross multiply
    805,083,203.65x = 1,207,425,351.05 × 344,969,196.61
  4. Step 4: Simplify right side
    805,083,203.65x = 416,524,553,316,540,928
  5. Step 5: Solve for x
    x = 416,524,553,316,540,928/805,083,203.65
  6. Step 6: Final answer
    x = 517,368,330.91

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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.