Home / 1,090,167,306.17-1,504,436,993.21-620,268,617.39

Finding the Fourth Proportional to 1,090,167,306.17, 1,504,436,993.21 and 620,268,617.39

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Solution

The fourth proportional to 1,090,167,306.17, 1,504,436,993.21 and 620,268,617.39 is: 855,974,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,167,306.17 : 1,504,436,993.21 = 620,268,617.39 : x
  2. Step 2: Convert to fraction form
    1,090,167,306.17/1,504,436,993.21 = 620,268,617.39/x
  3. Step 3: Cross multiply
    1,090,167,306.17x = 1,504,436,993.21 × 620,268,617.39
  4. Step 4: Simplify right side
    1,090,167,306.17x = 933,155,053,722,764,032
  5. Step 5: Solve for x
    x = 933,155,053,722,764,032/1,090,167,306.17
  6. Step 6: Final answer
    x = 855,974,168.78

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Double scale
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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.