Home / 3,115,059,942.90-4,672,589,914.35-1,889,612,109.30

Finding the Fourth Proportional to 3,115,059,942.90, 4,672,589,914.35 and 1,889,612,109.30

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Solution

The fourth proportional to 3,115,059,942.90, 4,672,589,914.35 and 1,889,612,109.30 is: 2,834,418,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,059,942.90 : 4,672,589,914.35 = 1,889,612,109.30 : x
  2. Step 2: Convert to fraction form
    3,115,059,942.90/4,672,589,914.35 = 1,889,612,109.30/x
  3. Step 3: Cross multiply
    3,115,059,942.90x = 4,672,589,914.35 × 1,889,612,109.30
  4. Step 4: Simplify right side
    3,115,059,942.90x = 8,829,382,483,948,810,240
  5. Step 5: Solve for x
    x = 8,829,382,483,948,810,240/3,115,059,942.90
  6. Step 6: Final answer
    x = 2,834,418,163.95

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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.