Home / 1,419,993,679.24-1,959,785,943.44-817,151,913.12

Finding the Fourth Proportional to 1,419,993,679.24, 1,959,785,943.44 and 817,151,913.12

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Solution

The fourth proportional to 1,419,993,679.24, 1,959,785,943.44 and 817,151,913.12 is: 1,127,781,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,993,679.24 : 1,959,785,943.44 = 817,151,913.12 : x
  2. Step 2: Convert to fraction form
    1,419,993,679.24/1,959,785,943.44 = 817,151,913.12/x
  3. Step 3: Cross multiply
    1,419,993,679.24x = 1,959,785,943.44 × 817,151,913.12
  4. Step 4: Simplify right side
    1,419,993,679.24x = 1,601,442,832,987,680,256
  5. Step 5: Solve for x
    x = 1,601,442,832,987,680,256/1,419,993,679.24
  6. Step 6: Final answer
    x = 1,127,781,662.98

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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.