Home / 878,622,591.37-1,212,517,694.91-482,142,112.24

Finding the Fourth Proportional to 878,622,591.37, 1,212,517,694.91 and 482,142,112.24

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Solution

The fourth proportional to 878,622,591.37, 1,212,517,694.91 and 482,142,112.24 is: 665,366,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,622,591.37 : 1,212,517,694.91 = 482,142,112.24 : x
  2. Step 2: Convert to fraction form
    878,622,591.37/1,212,517,694.91 = 482,142,112.24/x
  3. Step 3: Cross multiply
    878,622,591.37x = 1,212,517,694.91 × 482,142,112.24
  4. Step 4: Simplify right side
    878,622,591.37x = 584,605,842,552,283,392
  5. Step 5: Solve for x
    x = 584,605,842,552,283,392/878,622,591.37
  6. Step 6: Final answer
    x = 665,366,277.05

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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.