Home / 379,252,286.05-523,410,629.21-214,250,484.37

Finding the Fourth Proportional to 379,252,286.05, 523,410,629.21 and 214,250,484.37

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Solution

The fourth proportional to 379,252,286.05, 523,410,629.21 and 214,250,484.37 is: 295,689,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,252,286.05 : 523,410,629.21 = 214,250,484.37 : x
  2. Step 2: Convert to fraction form
    379,252,286.05/523,410,629.21 = 214,250,484.37/x
  3. Step 3: Cross multiply
    379,252,286.05x = 523,410,629.21 × 214,250,484.37
  4. Step 4: Simplify right side
    379,252,286.05x = 112,140,980,832,648,976
  5. Step 5: Solve for x
    x = 112,140,980,832,648,976/379,252,286.05
  6. Step 6: Final answer
    x = 295,689,663.47

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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.