Home / 1,121,473,268.60-1,682,209,902.90-734,489,742.20

Finding the Fourth Proportional to 1,121,473,268.60, 1,682,209,902.90 and 734,489,742.20

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Solution

The fourth proportional to 1,121,473,268.60, 1,682,209,902.90 and 734,489,742.20 is: 1,101,734,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,473,268.60 : 1,682,209,902.90 = 734,489,742.20 : x
  2. Step 2: Convert to fraction form
    1,121,473,268.60/1,682,209,902.90 = 734,489,742.20/x
  3. Step 3: Cross multiply
    1,121,473,268.60x = 1,682,209,902.90 × 734,489,742.20
  4. Step 4: Simplify right side
    1,121,473,268.60x = 1,235,565,917,907,308,288
  5. Step 5: Solve for x
    x = 1,235,565,917,907,308,288/1,121,473,268.60
  6. Step 6: Final answer
    x = 1,101,734,613.30

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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.