Home / 20,083,356,932.58-30,125,030,912.28-7,321,387,865.31

Finding the Fourth Proportional to 20,083,356,932.58, 30,125,030,912.28 and 7,321,387,865.31

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Solution

The fourth proportional to 20,083,356,932.58, 30,125,030,912.28 and 7,321,387,865.31 is: 10,982,080,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083,356,932.58 : 30,125,030,912.28 = 7,321,387,865.31 : x
  2. Step 2: Convert to fraction form
    20,083,356,932.58/30,125,030,912.28 = 7,321,387,865.31/x
  3. Step 3: Cross multiply
    20,083,356,932.58x = 30,125,030,912.28 × 7,321,387,865.31
  4. Step 4: Simplify right side
    20,083,356,932.58x = 220,557,035,763,255,443,456
  5. Step 5: Solve for x
    x = 220,557,035,763,255,443,456/20,083,356,932.58
  6. Step 6: Final answer
    x = 10,982,080,162.38

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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.