Home / 1,419,993,680.24-1,959,785,944.82-817,151,914.12

Finding the Fourth Proportional to 1,419,993,680.24, 1,959,785,944.82 and 817,151,914.12

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Solution

The fourth proportional to 1,419,993,680.24, 1,959,785,944.82 and 817,151,914.12 is: 1,127,781,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,993,680.24 : 1,959,785,944.82 = 817,151,914.12 : x
  2. Step 2: Convert to fraction form
    1,419,993,680.24/1,959,785,944.82 = 817,151,914.12/x
  3. Step 3: Cross multiply
    1,419,993,680.24x = 1,959,785,944.82 × 817,151,914.12
  4. Step 4: Simplify right side
    1,419,993,680.24x = 1,601,442,836,075,135,744
  5. Step 5: Solve for x
    x = 1,601,442,836,075,135,744/1,419,993,680.24
  6. Step 6: Final answer
    x = 1,127,781,664.36

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Double scale
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1.5x scale

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.