Home / 3,449,103,979.20-5,173,655,968.80-995,520,926.40

Finding the Fourth Proportional to 3,449,103,979.20, 5,173,655,968.80 and 995,520,926.40

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Solution

The fourth proportional to 3,449,103,979.20, 5,173,655,968.80 and 995,520,926.40 is: 1,493,281,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,103,979.20 : 5,173,655,968.80 = 995,520,926.40 : x
  2. Step 2: Convert to fraction form
    3,449,103,979.20/5,173,655,968.80 = 995,520,926.40/x
  3. Step 3: Cross multiply
    3,449,103,979.20x = 5,173,655,968.80 × 995,520,926.40
  4. Step 4: Simplify right side
    3,449,103,979.20x = 5,150,482,782,934,665,216
  5. Step 5: Solve for x
    x = 5,150,482,782,934,665,216/3,449,103,979.20
  6. Step 6: Final answer
    x = 1,493,281,389.60

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Similar ratio
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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.