Home / 19,885,493,787.31-29,833,836,754.69-8,694,350,750.80

Finding the Fourth Proportional to 19,885,493,787.31, 29,833,836,754.69 and 8,694,350,750.80

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Solution

The fourth proportional to 19,885,493,787.31, 29,833,836,754.69 and 8,694,350,750.80 is: 13,043,972,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,493,787.31 : 29,833,836,754.69 = 8,694,350,750.80 : x
  2. Step 2: Convert to fraction form
    19,885,493,787.31/29,833,836,754.69 = 8,694,350,750.80/x
  3. Step 3: Cross multiply
    19,885,493,787.31x = 29,833,836,754.69 × 8,694,350,750.80
  4. Step 4: Simplify right side
    19,885,493,787.31x = 259,385,840,987,234,467,840
  5. Step 5: Solve for x
    x = 259,385,840,987,234,467,840/19,885,493,787.31
  6. Step 6: Final answer
    x = 13,043,972,845.82

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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.