Home / 31,455,097,927.70-43,408,033,479.94-16,987,191,489.52

Finding the Fourth Proportional to 31,455,097,927.70, 43,408,033,479.94 and 16,987,191,489.52

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Solution

The fourth proportional to 31,455,097,927.70, 43,408,033,479.94 and 16,987,191,489.52 is: 23,442,323,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,097,927.70 : 43,408,033,479.94 = 16,987,191,489.52 : x
  2. Step 2: Convert to fraction form
    31,455,097,927.70/43,408,033,479.94 = 16,987,191,489.52/x
  3. Step 3: Cross multiply
    31,455,097,927.70x = 43,408,033,479.94 × 16,987,191,489.52
  4. Step 4: Simplify right side
    31,455,097,927.70x = 737,380,576,907,236,081,664
  5. Step 5: Solve for x
    x = 737,380,576,907,236,081,664/31,455,097,927.70
  6. Step 6: Final answer
    x = 23,442,323,358.91

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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.