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Finding the Fourth Proportional to 1,452,760,321, 2,004,857,634.66 and 792,746,815.72

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Solution

The fourth proportional to 1,452,760,321, 2,004,857,634.66 and 792,746,815.72 is: 1,094,017,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,760,321 : 2,004,857,634.66 = 792,746,815.72 : x
  2. Step 2: Convert to fraction form
    1,452,760,321/2,004,857,634.66 = 792,746,815.72/x
  3. Step 3: Cross multiply
    1,452,760,321x = 2,004,857,634.66 × 792,746,815.72
  4. Step 4: Simplify right side
    1,452,760,321x = 1,589,344,505,848,646,144
  5. Step 5: Solve for x
    x = 1,589,344,505,848,646,144/1,452,760,321
  6. Step 6: Final answer
    x = 1,094,017,012.22

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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.