Home / 1,311,694,383,879.20-1,967,809,924,972-451,056,781,389.85

Finding the Fourth Proportional to 1,311,694,383,879.20, 1,967,809,924,972 and 451,056,781,389.85

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Solution

The fourth proportional to 1,311,694,383,879.20, 1,967,809,924,972 and 451,056,781,389.85 is: 676,677,450,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,694,383,879.20 : 1,967,809,924,972 = 451,056,781,389.85 : x
  2. Step 2: Convert to fraction form
    1,311,694,383,879.20/1,967,809,924,972 = 451,056,781,389.85/x
  3. Step 3: Cross multiply
    1,311,694,383,879.20x = 1,967,809,924,972 × 451,056,781,389.85
  4. Step 4: Simplify right side
    1,311,694,383,879.20x = 887,594,011,144,872,485,978,112
  5. Step 5: Solve for x
    x = 887,594,011,144,872,485,978,112/1,311,694,383,879.20
  6. Step 6: Final answer
    x = 676,677,450,215.12

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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.