Home / 1,311,694,383,876.30-1,967,809,924,967.60-451,056,781,386.97

Finding the Fourth Proportional to 1,311,694,383,876.30, 1,967,809,924,967.60 and 451,056,781,386.97

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Solution

The fourth proportional to 1,311,694,383,876.30, 1,967,809,924,967.60 and 451,056,781,386.97 is: 676,677,450,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,694,383,876.30 : 1,967,809,924,967.60 = 451,056,781,386.97 : x
  2. Step 2: Convert to fraction form
    1,311,694,383,876.30/1,967,809,924,967.60 = 451,056,781,386.97/x
  3. Step 3: Cross multiply
    1,311,694,383,876.30x = 1,967,809,924,967.60 × 451,056,781,386.97
  4. Step 4: Simplify right side
    1,311,694,383,876.30x = 887,594,011,137,220,599,087,104
  5. Step 5: Solve for x
    x = 887,594,011,137,220,599,087,104/1,311,694,383,876.30
  6. Step 6: Final answer
    x = 676,677,450,210.78

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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.