Home / 379,278,493,558.98-568,690,543,545.90-120,717,560,856.82

Finding the Fourth Proportional to 379,278,493,558.98, 568,690,543,545.90 and 120,717,560,856.82

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Solution

The fourth proportional to 379,278,493,558.98, 568,690,543,545.90 and 120,717,560,856.82 is: 181,004,028,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,278,493,558.98 : 568,690,543,545.90 = 120,717,560,856.82 : x
  2. Step 2: Convert to fraction form
    379,278,493,558.98/568,690,543,545.90 = 120,717,560,856.82/x
  3. Step 3: Cross multiply
    379,278,493,558.98x = 568,690,543,545.90 × 120,717,560,856.82
  4. Step 4: Simplify right side
    379,278,493,558.98x = 68,650,935,299,200,232,980,480
  5. Step 5: Solve for x
    x = 68,650,935,299,200,232,980,480/379,278,493,558.98
  6. Step 6: Final answer
    x = 181,004,028,609.72

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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.