Home / 297,310,989.30-445,084,685.55-220,972,442.10

Finding the Fourth Proportional to 297,310,989.30, 445,084,685.55 and 220,972,442.10

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Solution

The fourth proportional to 297,310,989.30, 445,084,685.55 and 220,972,442.10 is: 330,803,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,310,989.30 : 445,084,685.55 = 220,972,442.10 : x
  2. Step 2: Convert to fraction form
    297,310,989.30/445,084,685.55 = 220,972,442.10/x
  3. Step 3: Cross multiply
    297,310,989.30x = 445,084,685.55 × 220,972,442.10
  4. Step 4: Simplify right side
    297,310,989.30x = 98,351,449,907,294,080
  5. Step 5: Solve for x
    x = 98,351,449,907,294,080/297,310,989.30
  6. Step 6: Final answer
    x = 330,803,278.21

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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.