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Finding the Fourth Proportional to 1,843,245,368.64, 2,764,870,713.71 and 752,728,436.64

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Solution

The fourth proportional to 1,843,245,368.64, 2,764,870,713.71 and 752,728,436.64 is: 1,129,093,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,245,368.64 : 2,764,870,713.71 = 752,728,436.64 : x
  2. Step 2: Convert to fraction form
    1,843,245,368.64/2,764,870,713.71 = 752,728,436.64/x
  3. Step 3: Cross multiply
    1,843,245,368.64x = 2,764,870,713.71 × 752,728,436.64
  4. Step 4: Simplify right side
    1,843,245,368.64x = 2,081,196,809,842,649,344
  5. Step 5: Solve for x
    x = 2,081,196,809,842,649,344/1,843,245,368.64
  6. Step 6: Final answer
    x = 1,129,093,741.53

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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.