Home / 303,408,998.20-455,326,073.70-194,499,022.60

Finding the Fourth Proportional to 303,408,998.20, 455,326,073.70 and 194,499,022.60

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Solution

The fourth proportional to 303,408,998.20, 455,326,073.70 and 194,499,022.60 is: 291,884,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,408,998.20 : 455,326,073.70 = 194,499,022.60 : x
  2. Step 2: Convert to fraction form
    303,408,998.20/455,326,073.70 = 194,499,022.60/x
  3. Step 3: Cross multiply
    303,408,998.20x = 455,326,073.70 × 194,499,022.60
  4. Step 4: Simplify right side
    303,408,998.20x = 88,560,476,298,945,568
  5. Step 5: Solve for x
    x = 88,560,476,298,945,568/303,408,998.20
  6. Step 6: Final answer
    x = 291,884,805.08

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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.