Home / 31,455,097,923.57-43,408,033,474.20-16,987,191,485.38

Finding the Fourth Proportional to 31,455,097,923.57, 43,408,033,474.20 and 16,987,191,485.38

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Solution

The fourth proportional to 31,455,097,923.57, 43,408,033,474.20 and 16,987,191,485.38 is: 23,442,323,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,097,923.57 : 43,408,033,474.20 = 16,987,191,485.38 : x
  2. Step 2: Convert to fraction form
    31,455,097,923.57/43,408,033,474.20 = 16,987,191,485.38/x
  3. Step 3: Cross multiply
    31,455,097,923.57x = 43,408,033,474.20 × 16,987,191,485.38
  4. Step 4: Simplify right side
    31,455,097,923.57x = 737,380,576,630,020,112,384
  5. Step 5: Solve for x
    x = 737,380,576,630,020,112,384/31,455,097,923.57
  6. Step 6: Final answer
    x = 23,442,323,353.17

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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.