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Finding the Fourth Proportional to 798,192,714.72, 1,093,505,751.84 and 768,350,039.04

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Solution

The fourth proportional to 798,192,714.72, 1,093,505,751.84 and 768,350,039.04 is: 1,052,621,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,192,714.72 : 1,093,505,751.84 = 768,350,039.04 : x
  2. Step 2: Convert to fraction form
    798,192,714.72/1,093,505,751.84 = 768,350,039.04/x
  3. Step 3: Cross multiply
    798,192,714.72x = 1,093,505,751.84 × 768,350,039.04
  4. Step 4: Simplify right side
    798,192,714.72x = 840,195,187,116,728,448
  5. Step 5: Solve for x
    x = 840,195,187,116,728,448/798,192,714.72
  6. Step 6: Final answer
    x = 1,052,621,969.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.