Home / 12,074,889,919.74-18,120,608,339.88-4,214,302,233.06

Finding the Fourth Proportional to 12,074,889,919.74, 18,120,608,339.88 and 4,214,302,233.06

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Solution

The fourth proportional to 12,074,889,919.74, 18,120,608,339.88 and 4,214,302,233.06 is: 6,324,340,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,889,919.74 : 18,120,608,339.88 = 4,214,302,233.06 : x
  2. Step 2: Convert to fraction form
    12,074,889,919.74/18,120,608,339.88 = 4,214,302,233.06/x
  3. Step 3: Cross multiply
    12,074,889,919.74x = 18,120,608,339.88 × 4,214,302,233.06
  4. Step 4: Simplify right side
    12,074,889,919.74x = 76,365,720,191,161,942,016
  5. Step 5: Solve for x
    x = 76,365,720,191,161,942,016/12,074,889,919.74
  6. Step 6: Final answer
    x = 6,324,340,900.72

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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.