Home / 860,691,735.37-1,291,033,309.15-336,114,136.64

Finding the Fourth Proportional to 860,691,735.37, 1,291,033,309.15 and 336,114,136.64

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Solution

The fourth proportional to 860,691,735.37, 1,291,033,309.15 and 336,114,136.64 is: 504,169,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,691,735.37 : 1,291,033,309.15 = 336,114,136.64 : x
  2. Step 2: Convert to fraction form
    860,691,735.37/1,291,033,309.15 = 336,114,136.64/x
  3. Step 3: Cross multiply
    860,691,735.37x = 1,291,033,309.15 × 336,114,136.64
  4. Step 4: Simplify right side
    860,691,735.37x = 433,934,546,083,040,064
  5. Step 5: Solve for x
    x = 433,934,546,083,040,064/860,691,735.37
  6. Step 6: Final answer
    x = 504,169,528.13

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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.