Home / 1,641,792,268.27-2,265,674,551.73-889,111,286.47

Finding the Fourth Proportional to 1,641,792,268.27, 2,265,674,551.73 and 889,111,286.47

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Solution

The fourth proportional to 1,641,792,268.27, 2,265,674,551.73 and 889,111,286.47 is: 1,226,974,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,792,268.27 : 2,265,674,551.73 = 889,111,286.47 : x
  2. Step 2: Convert to fraction form
    1,641,792,268.27/2,265,674,551.73 = 889,111,286.47/x
  3. Step 3: Cross multiply
    1,641,792,268.27x = 2,265,674,551.73 × 889,111,286.47
  4. Step 4: Simplify right side
    1,641,792,268.27x = 2,014,436,815,406,555,392
  5. Step 5: Solve for x
    x = 2,014,436,815,406,555,392/1,641,792,268.27
  6. Step 6: Final answer
    x = 1,226,974,236.84

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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.