Home / 663,717,704.40-996,178,856.40-336,420,907.20

Finding the Fourth Proportional to 663,717,704.40, 996,178,856.40 and 336,420,907.20

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Solution

The fourth proportional to 663,717,704.40, 996,178,856.40 and 336,420,907.20 is: 504,936,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,717,704.40 : 996,178,856.40 = 336,420,907.20 : x
  2. Step 2: Convert to fraction form
    663,717,704.40/996,178,856.40 = 336,420,907.20/x
  3. Step 3: Cross multiply
    663,717,704.40x = 996,178,856.40 × 336,420,907.20
  4. Step 4: Simplify right side
    663,717,704.40x = 335,135,394,603,546,496
  5. Step 5: Solve for x
    x = 335,135,394,603,546,496/663,717,704.40
  6. Step 6: Final answer
    x = 504,936,650.60

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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.