Home / 805,083,209.40-1,207,425,359.64-344,969,202.36

Finding the Fourth Proportional to 805,083,209.40, 1,207,425,359.64 and 344,969,202.36

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Solution

The fourth proportional to 805,083,209.40, 1,207,425,359.64 and 344,969,202.36 is: 517,368,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,083,209.40 : 1,207,425,359.64 = 344,969,202.36 : x
  2. Step 2: Convert to fraction form
    805,083,209.40/1,207,425,359.64 = 344,969,202.36/x
  3. Step 3: Cross multiply
    805,083,209.40x = 1,207,425,359.64 × 344,969,202.36
  4. Step 4: Simplify right side
    805,083,209.40x = 416,524,563,224,246,976
  5. Step 5: Solve for x
    x = 416,524,563,224,246,976/805,083,209.40
  6. Step 6: Final answer
    x = 517,368,339.52

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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.