Home / 1,086,566,758.20-1,629,850,137.30-782,724,223.80

Finding the Fourth Proportional to 1,086,566,758.20, 1,629,850,137.30 and 782,724,223.80

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Solution

The fourth proportional to 1,086,566,758.20, 1,629,850,137.30 and 782,724,223.80 is: 1,174,086,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,566,758.20 : 1,629,850,137.30 = 782,724,223.80 : x
  2. Step 2: Convert to fraction form
    1,086,566,758.20/1,629,850,137.30 = 782,724,223.80/x
  3. Step 3: Cross multiply
    1,086,566,758.20x = 1,629,850,137.30 × 782,724,223.80
  4. Step 4: Simplify right side
    1,086,566,758.20x = 1,275,723,183,628,465,920
  5. Step 5: Solve for x
    x = 1,275,723,183,628,465,920/1,086,566,758.20
  6. Step 6: Final answer
    x = 1,174,086,335.70

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Double scale
Find fourth proportional to 1,086,566,759.20, 1,629,850,138.80 and 782,724,224.80
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.