Home / 1,276,517,798.33-1,912,095,210.97-809,939,056.54

Finding the Fourth Proportional to 1,276,517,798.33, 1,912,095,210.97 and 809,939,056.54

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Solution

The fourth proportional to 1,276,517,798.33, 1,912,095,210.97 and 809,939,056.54 is: 1,213,207,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,517,798.33 : 1,912,095,210.97 = 809,939,056.54 : x
  2. Step 2: Convert to fraction form
    1,276,517,798.33/1,912,095,210.97 = 809,939,056.54/x
  3. Step 3: Cross multiply
    1,276,517,798.33x = 1,912,095,210.97 × 809,939,056.54
  4. Step 4: Simplify right side
    1,276,517,798.33x = 1,548,680,591,187,694,080
  5. Step 5: Solve for x
    x = 1,548,680,591,187,694,080/1,276,517,798.33
  6. Step 6: Final answer
    x = 1,213,207,205.74

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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.