Home / 861,941,443.66-1,292,912,182.66-206,892,470

Finding the Fourth Proportional to 861,941,443.66, 1,292,912,182.66 and 206,892,470

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Solution

The fourth proportional to 861,941,443.66, 1,292,912,182.66 and 206,892,470 is: 310,338,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,941,443.66 : 1,292,912,182.66 = 206,892,470 : x
  2. Step 2: Convert to fraction form
    861,941,443.66/1,292,912,182.66 = 206,892,470/x
  3. Step 3: Cross multiply
    861,941,443.66x = 1,292,912,182.66 × 206,892,470
  4. Step 4: Simplify right side
    861,941,443.66x = 267,493,794,963,618,592
  5. Step 5: Solve for x
    x = 267,493,794,963,618,592/861,941,443.66
  6. Step 6: Final answer
    x = 310,338,709.12

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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.