Home / 13,611,193,816.80-20,416,790,725.20-3,271,477,720.80

Finding the Fourth Proportional to 13,611,193,816.80, 20,416,790,725.20 and 3,271,477,720.80

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Solution

The fourth proportional to 13,611,193,816.80, 20,416,790,725.20 and 3,271,477,720.80 is: 4,907,216,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,193,816.80 : 20,416,790,725.20 = 3,271,477,720.80 : x
  2. Step 2: Convert to fraction form
    13,611,193,816.80/20,416,790,725.20 = 3,271,477,720.80/x
  3. Step 3: Cross multiply
    13,611,193,816.80x = 20,416,790,725.20 × 3,271,477,720.80
  4. Step 4: Simplify right side
    13,611,193,816.80x = 66,793,075,987,727,884,288
  5. Step 5: Solve for x
    x = 66,793,075,987,727,884,288/13,611,193,816.80
  6. Step 6: Final answer
    x = 4,907,216,581.20

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Double scale
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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.