Home / 971,115,687.72-1,340,084,625.25-547,704,042.05

Finding the Fourth Proportional to 971,115,687.72, 1,340,084,625.25 and 547,704,042.05

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Solution

The fourth proportional to 971,115,687.72, 1,340,084,625.25 and 547,704,042.05 is: 755,800,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,115,687.72 : 1,340,084,625.25 = 547,704,042.05 : x
  2. Step 2: Convert to fraction form
    971,115,687.72/1,340,084,625.25 = 547,704,042.05/x
  3. Step 3: Cross multiply
    971,115,687.72x = 1,340,084,625.25 × 547,704,042.05
  4. Step 4: Simplify right side
    971,115,687.72x = 733,969,765,943,551,744
  5. Step 5: Solve for x
    x = 733,969,765,943,551,744/971,115,687.72
  6. Step 6: Final answer
    x = 755,800,544.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.