Home / 379,252,286.55-523,410,629.90-214,250,484.87

Finding the Fourth Proportional to 379,252,286.55, 523,410,629.90 and 214,250,484.87

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Solution

The fourth proportional to 379,252,286.55, 523,410,629.90 and 214,250,484.87 is: 295,689,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,252,286.55 : 523,410,629.90 = 214,250,484.87 : x
  2. Step 2: Convert to fraction form
    379,252,286.55/523,410,629.90 = 214,250,484.87/x
  3. Step 3: Cross multiply
    379,252,286.55x = 523,410,629.90 × 214,250,484.87
  4. Step 4: Simplify right side
    379,252,286.55x = 112,140,981,242,187,120
  5. Step 5: Solve for x
    x = 112,140,981,242,187,120/379,252,286.55
  6. Step 6: Final answer
    x = 295,689,664.16

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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.