Home / 297,310,992.30-445,084,690.05-220,972,445.10

Finding the Fourth Proportional to 297,310,992.30, 445,084,690.05 and 220,972,445.10

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Solution

The fourth proportional to 297,310,992.30, 445,084,690.05 and 220,972,445.10 is: 330,803,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,310,992.30 : 445,084,690.05 = 220,972,445.10 : x
  2. Step 2: Convert to fraction form
    297,310,992.30/445,084,690.05 = 220,972,445.10/x
  3. Step 3: Cross multiply
    297,310,992.30x = 445,084,690.05 × 220,972,445.10
  4. Step 4: Simplify right side
    297,310,992.30x = 98,351,452,236,924,144
  5. Step 5: Solve for x
    x = 98,351,452,236,924,144/297,310,992.30
  6. Step 6: Final answer
    x = 330,803,282.70

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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.