Home / 547,809,808.11-756,047,546.96-306,419,198.64

Finding the Fourth Proportional to 547,809,808.11, 756,047,546.96 and 306,419,198.64

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Solution

The fourth proportional to 547,809,808.11, 756,047,546.96 and 306,419,198.64 is: 422,897,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,809,808.11 : 756,047,546.96 = 306,419,198.64 : x
  2. Step 2: Convert to fraction form
    547,809,808.11/756,047,546.96 = 306,419,198.64/x
  3. Step 3: Cross multiply
    547,809,808.11x = 756,047,546.96 × 306,419,198.64
  4. Step 4: Simplify right side
    547,809,808.11x = 231,667,483,472,011,232
  5. Step 5: Solve for x
    x = 231,667,483,472,011,232/547,809,808.11
  6. Step 6: Final answer
    x = 422,897,655.43

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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.