Home / 2,785,196,051,719.30-4,179,702,435,198.40-972,071,667,578.75

Finding the Fourth Proportional to 2,785,196,051,719.30, 4,179,702,435,198.40 and 972,071,667,578.75

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Solution

The fourth proportional to 2,785,196,051,719.30, 4,179,702,435,198.40 and 972,071,667,578.75 is: 1,458,773,544,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,196,051,719.30 : 4,179,702,435,198.40 = 972,071,667,578.75 : x
  2. Step 2: Convert to fraction form
    2,785,196,051,719.30/4,179,702,435,198.40 = 972,071,667,578.75/x
  3. Step 3: Cross multiply
    2,785,196,051,719.30x = 4,179,702,435,198.40 × 972,071,667,578.75
  4. Step 4: Simplify right side
    2,785,196,051,719.30x = 4,062,970,316,166,270,721,982,464
  5. Step 5: Solve for x
    x = 4,062,970,316,166,270,721,982,464/2,785,196,051,719.30
  6. Step 6: Final answer
    x = 1,458,773,544,382.34

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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.