Home / 1,419,993,557.73-1,959,785,775.72-817,151,791.79

Finding the Fourth Proportional to 1,419,993,557.73, 1,959,785,775.72 and 817,151,791.79

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Solution

The fourth proportional to 1,419,993,557.73, 1,959,785,775.72 and 817,151,791.79 is: 1,127,781,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,993,557.73 : 1,959,785,775.72 = 817,151,791.79 : x
  2. Step 2: Convert to fraction form
    1,419,993,557.73/1,959,785,775.72 = 817,151,791.79/x
  3. Step 3: Cross multiply
    1,419,993,557.73x = 1,959,785,775.72 × 817,151,791.79
  4. Step 4: Simplify right side
    1,419,993,557.73x = 1,601,442,458,159,052,544
  5. Step 5: Solve for x
    x = 1,601,442,458,159,052,544/1,419,993,557.73
  6. Step 6: Final answer
    x = 1,127,781,495.52

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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.