Home / 13,949,373,530.25-20,933,865,559.22-12,615,678,644.49

Finding the Fourth Proportional to 13,949,373,530.25, 20,933,865,559.22 and 12,615,678,644.49

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Solution

The fourth proportional to 13,949,373,530.25, 20,933,865,559.22 and 12,615,678,644.49 is: 18,932,385,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949,373,530.25 : 20,933,865,559.22 = 12,615,678,644.49 : x
  2. Step 2: Convert to fraction form
    13,949,373,530.25/20,933,865,559.22 = 12,615,678,644.49/x
  3. Step 3: Cross multiply
    13,949,373,530.25x = 20,933,865,559.22 × 12,615,678,644.49
  4. Step 4: Simplify right side
    13,949,373,530.25x = 264,094,920,682,013,392,896
  5. Step 5: Solve for x
    x = 264,094,920,682,013,392,896/13,949,373,530.25
  6. Step 6: Final answer
    x = 18,932,385,752.62

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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.