Home / 1,972,795,707.72-2,722,436,380.17-1,068,529,145.58

Finding the Fourth Proportional to 1,972,795,707.72, 2,722,436,380.17 and 1,068,529,145.58

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Solution

The fourth proportional to 1,972,795,707.72, 2,722,436,380.17 and 1,068,529,145.58 is: 1,474,558,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,795,707.72 : 2,722,436,380.17 = 1,068,529,145.58 : x
  2. Step 2: Convert to fraction form
    1,972,795,707.72/2,722,436,380.17 = 1,068,529,145.58/x
  3. Step 3: Cross multiply
    1,972,795,707.72x = 2,722,436,380.17 × 1,068,529,145.58
  4. Step 4: Simplify right side
    1,972,795,707.72x = 2,909,002,619,198,958,592
  5. Step 5: Solve for x
    x = 2,909,002,619,198,958,592/1,972,795,707.72
  6. Step 6: Final answer
    x = 1,474,558,469.39

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Double scale
Find fourth proportional to 1,972,795,708.72, 2,722,436,381.55 and 1,068,529,146.58
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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.