Home / 31,455,097,922.57-43,408,033,472.82-16,987,191,484.38

Finding the Fourth Proportional to 31,455,097,922.57, 43,408,033,472.82 and 16,987,191,484.38

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Solution

The fourth proportional to 31,455,097,922.57, 43,408,033,472.82 and 16,987,191,484.38 is: 23,442,323,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,097,922.57 : 43,408,033,472.82 = 16,987,191,484.38 : x
  2. Step 2: Convert to fraction form
    31,455,097,922.57/43,408,033,472.82 = 16,987,191,484.38/x
  3. Step 3: Cross multiply
    31,455,097,922.57x = 43,408,033,472.82 × 16,987,191,484.38
  4. Step 4: Simplify right side
    31,455,097,922.57x = 737,380,576,562,996,183,040
  5. Step 5: Solve for x
    x = 737,380,576,562,996,183,040/31,455,097,922.57
  6. Step 6: Final answer
    x = 23,442,323,351.79

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1.5x scale

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.