Home / 13,452,921,012.80-20,179,381,519.20-5,589,719,976.80

Finding the Fourth Proportional to 13,452,921,012.80, 20,179,381,519.20 and 5,589,719,976.80

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Solution

The fourth proportional to 13,452,921,012.80, 20,179,381,519.20 and 5,589,719,976.80 is: 8,384,579,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,921,012.80 : 20,179,381,519.20 = 5,589,719,976.80 : x
  2. Step 2: Convert to fraction form
    13,452,921,012.80/20,179,381,519.20 = 5,589,719,976.80/x
  3. Step 3: Cross multiply
    13,452,921,012.80x = 20,179,381,519.20 × 5,589,719,976.80
  4. Step 4: Simplify right side
    13,452,921,012.80x = 112,797,091,997,340,975,104
  5. Step 5: Solve for x
    x = 112,797,091,997,340,975,104/13,452,921,012.80
  6. Step 6: Final answer
    x = 8,384,579,965.20

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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.