Home / 20,449,879,488.20-30,674,819,232.30-8,021,812,838.60

Finding the Fourth Proportional to 20,449,879,488.20, 30,674,819,232.30 and 8,021,812,838.60

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Solution

The fourth proportional to 20,449,879,488.20, 30,674,819,232.30 and 8,021,812,838.60 is: 12,032,719,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,879,488.20 : 30,674,819,232.30 = 8,021,812,838.60 : x
  2. Step 2: Convert to fraction form
    20,449,879,488.20/30,674,819,232.30 = 8,021,812,838.60/x
  3. Step 3: Cross multiply
    20,449,879,488.20x = 30,674,819,232.30 × 8,021,812,838.60
  4. Step 4: Simplify right side
    20,449,879,488.20x = 246,067,658,739,398,344,704
  5. Step 5: Solve for x
    x = 246,067,658,739,398,344,704/20,449,879,488.20
  6. Step 6: Final answer
    x = 12,032,719,257.90

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1.5x scale

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.