Home / 1,259,722,419.70-1,889,583,629.55-441,539,475.70

Finding the Fourth Proportional to 1,259,722,419.70, 1,889,583,629.55 and 441,539,475.70

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Solution

The fourth proportional to 1,259,722,419.70, 1,889,583,629.55 and 441,539,475.70 is: 662,309,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,722,419.70 : 1,889,583,629.55 = 441,539,475.70 : x
  2. Step 2: Convert to fraction form
    1,259,722,419.70/1,889,583,629.55 = 441,539,475.70/x
  3. Step 3: Cross multiply
    1,259,722,419.70x = 1,889,583,629.55 × 441,539,475.70
  4. Step 4: Simplify right side
    1,259,722,419.70x = 834,325,765,082,809,984
  5. Step 5: Solve for x
    x = 834,325,765,082,809,984/1,259,722,419.70
  6. Step 6: Final answer
    x = 662,309,213.55

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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.