Home / 496,508,977.56-685,157,065.92-273,485,858.16

Finding the Fourth Proportional to 496,508,977.56, 685,157,065.92 and 273,485,858.16

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Solution

The fourth proportional to 496,508,977.56, 685,157,065.92 and 273,485,858.16 is: 377,396,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,508,977.56 : 685,157,065.92 = 273,485,858.16 : x
  2. Step 2: Convert to fraction form
    496,508,977.56/685,157,065.92 = 273,485,858.16/x
  3. Step 3: Cross multiply
    496,508,977.56x = 685,157,065.92 × 273,485,858.16
  4. Step 4: Simplify right side
    496,508,977.56x = 187,380,768,147,518,912
  5. Step 5: Solve for x
    x = 187,380,768,147,518,912/496,508,977.56
  6. Step 6: Final answer
    x = 377,396,535.85

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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.