Home / 654,912,133.60-982,368,200.40-327,438,189.40

Finding the Fourth Proportional to 654,912,133.60, 982,368,200.40 and 327,438,189.40

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Solution

The fourth proportional to 654,912,133.60, 982,368,200.40 and 327,438,189.40 is: 491,157,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,912,133.60 : 982,368,200.40 = 327,438,189.40 : x
  2. Step 2: Convert to fraction form
    654,912,133.60/982,368,200.40 = 327,438,189.40/x
  3. Step 3: Cross multiply
    654,912,133.60x = 982,368,200.40 × 327,438,189.40
  4. Step 4: Simplify right side
    654,912,133.60x = 321,664,864,863,112,320
  5. Step 5: Solve for x
    x = 321,664,864,863,112,320/654,912,133.60
  6. Step 6: Final answer
    x = 491,157,284.10

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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.