Home / 543,524,881.30-814,481,105.91-399,212,274.58

Finding the Fourth Proportional to 543,524,881.30, 814,481,105.91 and 399,212,274.58

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Solution

The fourth proportional to 543,524,881.30, 814,481,105.91 and 399,212,274.58 is: 598,226,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,524,881.30 : 814,481,105.91 = 399,212,274.58 : x
  2. Step 2: Convert to fraction form
    543,524,881.30/814,481,105.91 = 399,212,274.58/x
  3. Step 3: Cross multiply
    543,524,881.30x = 814,481,105.91 × 399,212,274.58
  4. Step 4: Simplify right side
    543,524,881.30x = 325,150,854,892,764,928
  5. Step 5: Solve for x
    x = 325,150,854,892,764,928/543,524,881.30
  6. Step 6: Final answer
    x = 598,226,256.20

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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.