Home / 1,245,458,317,686.30-1,867,998,716,198.80-338,966,764,991.10

Finding the Fourth Proportional to 1,245,458,317,686.30, 1,867,998,716,198.80 and 338,966,764,991.10

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Solution

The fourth proportional to 1,245,458,317,686.30, 1,867,998,716,198.80 and 338,966,764,991.10 is: 508,398,774,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,458,317,686.30 : 1,867,998,716,198.80 = 338,966,764,991.10 : x
  2. Step 2: Convert to fraction form
    1,245,458,317,686.30/1,867,998,716,198.80 = 338,966,764,991.10/x
  3. Step 3: Cross multiply
    1,245,458,317,686.30x = 1,867,998,716,198.80 × 338,966,764,991.10
  4. Step 4: Simplify right side
    1,245,458,317,686.30x = 633,189,481,837,435,149,090,816
  5. Step 5: Solve for x
    x = 633,189,481,837,435,149,090,816/1,245,458,317,686.30
  6. Step 6: Final answer
    x = 508,398,774,046.26

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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.