Home / 940,640,198.18-1,411,015,212.84-285,612,593.64

Finding the Fourth Proportional to 940,640,198.18, 1,411,015,212.84 and 285,612,593.64

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Solution

The fourth proportional to 940,640,198.18, 1,411,015,212.84 and 285,612,593.64 is: 428,435,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,640,198.18 : 1,411,015,212.84 = 285,612,593.64 : x
  2. Step 2: Convert to fraction form
    940,640,198.18/1,411,015,212.84 = 285,612,593.64/x
  3. Step 3: Cross multiply
    940,640,198.18x = 1,411,015,212.84 × 285,612,593.64
  4. Step 4: Simplify right side
    940,640,198.18x = 403,003,714,604,728,960
  5. Step 5: Solve for x
    x = 403,003,714,604,728,960/940,640,198.18
  6. Step 6: Final answer
    x = 428,435,564.83

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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.