Home / 1,238,785,637.67-1,858,128,062.31-306,084,997.02

Finding the Fourth Proportional to 1,238,785,637.67, 1,858,128,062.31 and 306,084,997.02

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Solution

The fourth proportional to 1,238,785,637.67, 1,858,128,062.31 and 306,084,997.02 is: 459,115,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,785,637.67 : 1,858,128,062.31 = 306,084,997.02 : x
  2. Step 2: Convert to fraction form
    1,238,785,637.67/1,858,128,062.31 = 306,084,997.02/x
  3. Step 3: Cross multiply
    1,238,785,637.67x = 1,858,128,062.31 × 306,084,997.02
  4. Step 4: Simplify right side
    1,238,785,637.67x = 568,745,122,414,934,656
  5. Step 5: Solve for x
    x = 568,745,122,414,934,656/1,238,785,637.67
  6. Step 6: Final answer
    x = 459,115,043.89

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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.