Home / 499,573,453.44-689,419,529.91-273,508,666.54

Finding the Fourth Proportional to 499,573,453.44, 689,419,529.91 and 273,508,666.54

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Solution

The fourth proportional to 499,573,453.44, 689,419,529.91 and 273,508,666.54 is: 377,446,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,573,453.44 : 689,419,529.91 = 273,508,666.54 : x
  2. Step 2: Convert to fraction form
    499,573,453.44/689,419,529.91 = 273,508,666.54/x
  3. Step 3: Cross multiply
    499,573,453.44x = 689,419,529.91 × 273,508,666.54
  4. Step 4: Simplify right side
    499,573,453.44x = 188,562,216,315,234,560
  5. Step 5: Solve for x
    x = 188,562,216,315,234,560/499,573,453.44
  6. Step 6: Final answer
    x = 377,446,429.58

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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.