Home / 1,284,102,816.40-1,926,154,224.60-957,104,390.80

Finding the Fourth Proportional to 1,284,102,816.40, 1,926,154,224.60 and 957,104,390.80

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Solution

The fourth proportional to 1,284,102,816.40, 1,926,154,224.60 and 957,104,390.80 is: 1,435,656,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,102,816.40 : 1,926,154,224.60 = 957,104,390.80 : x
  2. Step 2: Convert to fraction form
    1,284,102,816.40/1,926,154,224.60 = 957,104,390.80/x
  3. Step 3: Cross multiply
    1,284,102,816.40x = 1,926,154,224.60 × 957,104,390.80
  4. Step 4: Simplify right side
    1,284,102,816.40x = 1,843,530,665,722,629,120
  5. Step 5: Solve for x
    x = 1,843,530,665,722,629,120/1,284,102,816.40
  6. Step 6: Final answer
    x = 1,435,656,586.20

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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.