Home / 378,839,295.36-568,274,747.76-120,048,788.16

Finding the Fourth Proportional to 378,839,295.36, 568,274,747.76 and 120,048,788.16

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Solution

The fourth proportional to 378,839,295.36, 568,274,747.76 and 120,048,788.16 is: 180,078,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,839,295.36 : 568,274,747.76 = 120,048,788.16 : x
  2. Step 2: Convert to fraction form
    378,839,295.36/568,274,747.76 = 120,048,788.16/x
  3. Step 3: Cross multiply
    378,839,295.36x = 568,274,747.76 × 120,048,788.16
  4. Step 4: Simplify right side
    378,839,295.36x = 68,220,694,810,517,672
  5. Step 5: Solve for x
    x = 68,220,694,810,517,672/378,839,295.36
  6. Step 6: Final answer
    x = 180,078,190.53

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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.