Home / 320,581,253.88-480,245,610.68-220,853,286.98

Finding the Fourth Proportional to 320,581,253.88, 480,245,610.68 and 220,853,286.98

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Solution

The fourth proportional to 320,581,253.88, 480,245,610.68 and 220,853,286.98 is: 330,848,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,581,253.88 : 480,245,610.68 = 220,853,286.98 : x
  2. Step 2: Convert to fraction form
    320,581,253.88/480,245,610.68 = 220,853,286.98/x
  3. Step 3: Cross multiply
    320,581,253.88x = 480,245,610.68 × 220,853,286.98
  4. Step 4: Simplify right side
    320,581,253.88x = 106,063,821,676,395,392
  5. Step 5: Solve for x
    x = 106,063,821,676,395,392/320,581,253.88
  6. Step 6: Final answer
    x = 330,848,483.47

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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.