Home / 3,561,570,449.80-5,342,355,674.70-2,990,165,086.60

Finding the Fourth Proportional to 3,561,570,449.80, 5,342,355,674.70 and 2,990,165,086.60

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Solution

The fourth proportional to 3,561,570,449.80, 5,342,355,674.70 and 2,990,165,086.60 is: 4,485,247,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,570,449.80 : 5,342,355,674.70 = 2,990,165,086.60 : x
  2. Step 2: Convert to fraction form
    3,561,570,449.80/5,342,355,674.70 = 2,990,165,086.60/x
  3. Step 3: Cross multiply
    3,561,570,449.80x = 5,342,355,674.70 × 2,990,165,086.60
  4. Step 4: Simplify right side
    3,561,570,449.80x = 15,974,525,418,687,326,208
  5. Step 5: Solve for x
    x = 15,974,525,418,687,326,208/3,561,570,449.80
  6. Step 6: Final answer
    x = 4,485,247,629.90

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Half scale
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Double scale
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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.