Home / 1,078,100,145.20-1,617,150,217.80-963,214,410.80

Finding the Fourth Proportional to 1,078,100,145.20, 1,617,150,217.80 and 963,214,410.80

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Solution

The fourth proportional to 1,078,100,145.20, 1,617,150,217.80 and 963,214,410.80 is: 1,444,821,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,100,145.20 : 1,617,150,217.80 = 963,214,410.80 : x
  2. Step 2: Convert to fraction form
    1,078,100,145.20/1,617,150,217.80 = 963,214,410.80/x
  3. Step 3: Cross multiply
    1,078,100,145.20x = 1,617,150,217.80 × 963,214,410.80
  4. Step 4: Simplify right side
    1,078,100,145.20x = 1,557,662,394,213,318,656
  5. Step 5: Solve for x
    x = 1,557,662,394,213,318,656/1,078,100,145.20
  6. Step 6: Final answer
    x = 1,444,821,616.20

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Half scale
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Double scale
Find fourth proportional to 1,078,100,146.20, 1,617,150,219.30 and 963,214,411.80
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.