Home / 782,756,517.90-1,171,579,843.25-575,440,042.44

Finding the Fourth Proportional to 782,756,517.90, 1,171,579,843.25 and 575,440,042.44

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Solution

The fourth proportional to 782,756,517.90, 1,171,579,843.25 and 575,440,042.44 is: 861,281,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,756,517.90 : 1,171,579,843.25 = 575,440,042.44 : x
  2. Step 2: Convert to fraction form
    782,756,517.90/1,171,579,843.25 = 575,440,042.44/x
  3. Step 3: Cross multiply
    782,756,517.90x = 1,171,579,843.25 × 575,440,042.44
  4. Step 4: Simplify right side
    782,756,517.90x = 674,173,954,718,751,360
  5. Step 5: Solve for x
    x = 674,173,954,718,751,360/782,756,517.90
  6. Step 6: Final answer
    x = 861,281,815.36

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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.