Home / 860,691,743.36-1,291,033,321.12-336,114,144.64

Finding the Fourth Proportional to 860,691,743.36, 1,291,033,321.12 and 336,114,144.64

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Solution

The fourth proportional to 860,691,743.36, 1,291,033,321.12 and 336,114,144.64 is: 504,169,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,691,743.36 : 1,291,033,321.12 = 336,114,144.64 : x
  2. Step 2: Convert to fraction form
    860,691,743.36/1,291,033,321.12 = 336,114,144.64/x
  3. Step 3: Cross multiply
    860,691,743.36x = 1,291,033,321.12 × 336,114,144.64
  4. Step 4: Simplify right side
    860,691,743.36x = 433,934,560,429,987,200
  5. Step 5: Solve for x
    x = 433,934,560,429,987,200/860,691,743.36
  6. Step 6: Final answer
    x = 504,169,540.11

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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.