Home / 18,994,448,372.76-28,491,915,031.83-5,019,949,532.52

Finding the Fourth Proportional to 18,994,448,372.76, 28,491,915,031.83 and 5,019,949,532.52

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Solution

The fourth proportional to 18,994,448,372.76, 28,491,915,031.83 and 5,019,949,532.52 is: 7,529,988,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994,448,372.76 : 28,491,915,031.83 = 5,019,949,532.52 : x
  2. Step 2: Convert to fraction form
    18,994,448,372.76/28,491,915,031.83 = 5,019,949,532.52/x
  3. Step 3: Cross multiply
    18,994,448,372.76x = 28,491,915,031.83 × 5,019,949,532.52
  4. Step 4: Simplify right side
    18,994,448,372.76x = 143,027,975,544,634,589,184
  5. Step 5: Solve for x
    x = 143,027,975,544,634,589,184/18,994,448,372.76
  6. Step 6: Final answer
    x = 7,529,988,380.70

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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.