Home / 20,581,388,892.09-30,835,560,093.68-8,603,236,650.15

Finding the Fourth Proportional to 20,581,388,892.09, 30,835,560,093.68 and 8,603,236,650.15

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Solution

The fourth proportional to 20,581,388,892.09, 30,835,560,093.68 and 8,603,236,650.15 is: 12,889,587,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,388,892.09 : 30,835,560,093.68 = 8,603,236,650.15 : x
  2. Step 2: Convert to fraction form
    20,581,388,892.09/30,835,560,093.68 = 8,603,236,650.15/x
  3. Step 3: Cross multiply
    20,581,388,892.09x = 30,835,560,093.68 × 8,603,236,650.15
  4. Step 4: Simplify right side
    20,581,388,892.09x = 265,285,620,725,867,741,184
  5. Step 5: Solve for x
    x = 265,285,620,725,867,741,184/20,581,388,892.09
  6. Step 6: Final answer
    x = 12,889,587,875.57

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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.