Home / 379,278,493,687.66-568,690,543,738.35-120,717,560,985.39

Finding the Fourth Proportional to 379,278,493,687.66, 568,690,543,738.35 and 120,717,560,985.39

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Solution

The fourth proportional to 379,278,493,687.66, 568,690,543,738.35 and 120,717,560,985.39 is: 181,004,028,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,278,493,687.66 : 568,690,543,738.35 = 120,717,560,985.39 : x
  2. Step 2: Convert to fraction form
    379,278,493,687.66/568,690,543,738.35 = 120,717,560,985.39/x
  3. Step 3: Cross multiply
    379,278,493,687.66x = 568,690,543,738.35 × 120,717,560,985.39
  4. Step 4: Simplify right side
    379,278,493,687.66x = 68,650,935,395,548,865,232,896
  5. Step 5: Solve for x
    x = 68,650,935,395,548,865,232,896/379,278,493,687.66
  6. Step 6: Final answer
    x = 181,004,028,802.34

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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.