Home / 265,930,037.44-399,500,401.74-192,380,678.80

Finding the Fourth Proportional to 265,930,037.44, 399,500,401.74 and 192,380,678.80

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Solution

The fourth proportional to 265,930,037.44, 399,500,401.74 and 192,380,678.80 is: 289,008,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,930,037.44 : 399,500,401.74 = 192,380,678.80 : x
  2. Step 2: Convert to fraction form
    265,930,037.44/399,500,401.74 = 192,380,678.80/x
  3. Step 3: Cross multiply
    265,930,037.44x = 399,500,401.74 × 192,380,678.80
  4. Step 4: Simplify right side
    265,930,037.44x = 76,856,158,467,613,904
  5. Step 5: Solve for x
    x = 76,856,158,467,613,904/265,930,037.44
  6. Step 6: Final answer
    x = 289,008,940.88

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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.