Home / 31,455,097,928.20-43,408,033,480.62-16,987,191,490.03

Finding the Fourth Proportional to 31,455,097,928.20, 43,408,033,480.62 and 16,987,191,490.03

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Solution

The fourth proportional to 31,455,097,928.20, 43,408,033,480.62 and 16,987,191,490.03 is: 23,442,323,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,097,928.20 : 43,408,033,480.62 = 16,987,191,490.03 : x
  2. Step 2: Convert to fraction form
    31,455,097,928.20/43,408,033,480.62 = 16,987,191,490.03/x
  3. Step 3: Cross multiply
    31,455,097,928.20x = 43,408,033,480.62 × 16,987,191,490.03
  4. Step 4: Simplify right side
    31,455,097,928.20x = 737,380,576,940,925,517,824
  5. Step 5: Solve for x
    x = 737,380,576,940,925,517,824/31,455,097,928.20
  6. Step 6: Final answer
    x = 23,442,323,359.61

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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.