Home / 702,885,028,635.30-969,903,783,757.25-394,172,858,750.40

Finding the Fourth Proportional to 702,885,028,635.30, 969,903,783,757.25 and 394,172,858,750.40

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Solution

The fourth proportional to 702,885,028,635.30, 969,903,783,757.25 and 394,172,858,750.40 is: 543,915,052,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,885,028,635.30 : 969,903,783,757.25 = 394,172,858,750.40 : x
  2. Step 2: Convert to fraction form
    702,885,028,635.30/969,903,783,757.25 = 394,172,858,750.40/x
  3. Step 3: Cross multiply
    702,885,028,635.30x = 969,903,783,757.25 × 394,172,858,750.40
  4. Step 4: Simplify right side
    702,885,028,635.30x = 382,309,747,156,425,029,713,920
  5. Step 5: Solve for x
    x = 382,309,747,156,425,029,713,920/702,885,028,635.30
  6. Step 6: Final answer
    x = 543,915,052,364.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.