Home / 356,045,163.40-534,067,745.10-218,295,656.20

Finding the Fourth Proportional to 356,045,163.40, 534,067,745.10 and 218,295,656.20

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Solution

The fourth proportional to 356,045,163.40, 534,067,745.10 and 218,295,656.20 is: 327,443,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,045,163.40 : 534,067,745.10 = 218,295,656.20 : x
  2. Step 2: Convert to fraction form
    356,045,163.40/534,067,745.10 = 218,295,656.20/x
  3. Step 3: Cross multiply
    356,045,163.40x = 534,067,745.10 × 218,295,656.20
  4. Step 4: Simplify right side
    356,045,163.40x = 116,584,668,871,858,832
  5. Step 5: Solve for x
    x = 116,584,668,871,858,832/356,045,163.40
  6. Step 6: Final answer
    x = 327,443,484.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.