Home / 1,208,362,122,108.20-1,667,546,501,642.60-687,517,527,843.56

Finding the Fourth Proportional to 1,208,362,122,108.20, 1,667,546,501,642.60 and 687,517,527,843.56

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Solution

The fourth proportional to 1,208,362,122,108.20, 1,667,546,501,642.60 and 687,517,527,843.56 is: 948,778,042,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,362,122,108.20 : 1,667,546,501,642.60 = 687,517,527,843.56 : x
  2. Step 2: Convert to fraction form
    1,208,362,122,108.20/1,667,546,501,642.60 = 687,517,527,843.56/x
  3. Step 3: Cross multiply
    1,208,362,122,108.20x = 1,667,546,501,642.60 × 687,517,527,843.56
  4. Step 4: Simplify right side
    1,208,362,122,108.20x = 1,146,467,448,373,497,485,590,528
  5. Step 5: Solve for x
    x = 1,146,467,448,373,497,485,590,528/1,208,362,122,108.20
  6. Step 6: Final answer
    x = 948,778,042,109.83

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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.