Home / 297,310,974.80-445,084,663.80-220,972,427.60

Finding the Fourth Proportional to 297,310,974.80, 445,084,663.80 and 220,972,427.60

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Solution

The fourth proportional to 297,310,974.80, 445,084,663.80 and 220,972,427.60 is: 330,803,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,310,974.80 : 445,084,663.80 = 220,972,427.60 : x
  2. Step 2: Convert to fraction form
    297,310,974.80/445,084,663.80 = 220,972,427.60/x
  3. Step 3: Cross multiply
    297,310,974.80x = 445,084,663.80 × 220,972,427.60
  4. Step 4: Simplify right side
    297,310,974.80x = 98,351,438,647,415,840
  5. Step 5: Solve for x
    x = 98,351,438,647,415,840/297,310,974.80
  6. Step 6: Final answer
    x = 330,803,256.47

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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.