Home / 379,278,493,558.46-568,690,543,545.16-120,717,560,856.32

Finding the Fourth Proportional to 379,278,493,558.46, 568,690,543,545.16 and 120,717,560,856.32

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Solution

The fourth proportional to 379,278,493,558.46, 568,690,543,545.16 and 120,717,560,856.32 is: 181,004,028,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,278,493,558.46 : 568,690,543,545.16 = 120,717,560,856.32 : x
  2. Step 2: Convert to fraction form
    379,278,493,558.46/568,690,543,545.16 = 120,717,560,856.32/x
  3. Step 3: Cross multiply
    379,278,493,558.46x = 568,690,543,545.16 × 120,717,560,856.32
  4. Step 4: Simplify right side
    379,278,493,558.46x = 68,650,935,298,826,562,437,120
  5. Step 5: Solve for x
    x = 68,650,935,298,826,562,437,120/379,278,493,558.46
  6. Step 6: Final answer
    x = 181,004,028,608.98

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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.