Home / 297,310,972.80-445,084,660.80-220,972,425.60

Finding the Fourth Proportional to 297,310,972.80, 445,084,660.80 and 220,972,425.60

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Solution

The fourth proportional to 297,310,972.80, 445,084,660.80 and 220,972,425.60 is: 330,803,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,310,972.80 : 445,084,660.80 = 220,972,425.60 : x
  2. Step 2: Convert to fraction form
    297,310,972.80/445,084,660.80 = 220,972,425.60/x
  3. Step 3: Cross multiply
    297,310,972.80x = 445,084,660.80 × 220,972,425.60
  4. Step 4: Simplify right side
    297,310,972.80x = 98,351,437,094,329,232
  5. Step 5: Solve for x
    x = 98,351,437,094,329,232/297,310,972.80
  6. Step 6: Final answer
    x = 330,803,253.47

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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.