Home / 470,891,934.70-706,589,844.45-198,290,257.90

Finding the Fourth Proportional to 470,891,934.70, 706,589,844.45 and 198,290,257.90

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Solution

The fourth proportional to 470,891,934.70, 706,589,844.45 and 198,290,257.90 is: 297,541,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,891,934.70 : 706,589,844.45 = 198,290,257.90 : x
  2. Step 2: Convert to fraction form
    470,891,934.70/706,589,844.45 = 198,290,257.90/x
  3. Step 3: Cross multiply
    470,891,934.70x = 706,589,844.45 × 198,290,257.90
  4. Step 4: Simplify right side
    470,891,934.70x = 140,109,882,485,511,392
  5. Step 5: Solve for x
    x = 140,109,882,485,511,392/470,891,934.70
  6. Step 6: Final answer
    x = 297,541,478.54

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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.