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Finding the Fourth Proportional to 1,794,456,721.30, 2,694,456,448.35 and 978,163,345.30

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Solution

The fourth proportional to 1,794,456,721.30, 2,694,456,448.35 and 978,163,345.30 is: 1,468,755,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,456,721.30 : 2,694,456,448.35 = 978,163,345.30 : x
  2. Step 2: Convert to fraction form
    1,794,456,721.30/2,694,456,448.35 = 978,163,345.30/x
  3. Step 3: Cross multiply
    1,794,456,721.30x = 2,694,456,448.35 × 978,163,345.30
  4. Step 4: Simplify right side
    1,794,456,721.30x = 2,635,618,533,283,192,320
  5. Step 5: Solve for x
    x = 2,635,618,533,283,192,320/1,794,456,721.30
  6. Step 6: Final answer
    x = 1,468,755,697.48

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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.