Home / 1,121,969,471.60-1,682,954,207.40-930,866,495.60

Finding the Fourth Proportional to 1,121,969,471.60, 1,682,954,207.40 and 930,866,495.60

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Solution

The fourth proportional to 1,121,969,471.60, 1,682,954,207.40 and 930,866,495.60 is: 1,396,299,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,969,471.60 : 1,682,954,207.40 = 930,866,495.60 : x
  2. Step 2: Convert to fraction form
    1,121,969,471.60/1,682,954,207.40 = 930,866,495.60/x
  3. Step 3: Cross multiply
    1,121,969,471.60x = 1,682,954,207.40 × 930,866,495.60
  4. Step 4: Simplify right side
    1,121,969,471.60x = 1,566,605,685,297,713,664
  5. Step 5: Solve for x
    x = 1,566,605,685,297,713,664/1,121,969,471.60
  6. Step 6: Final answer
    x = 1,396,299,743.40

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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.