Home / 654,912,134.60-982,368,201.90-327,438,190.40

Finding the Fourth Proportional to 654,912,134.60, 982,368,201.90 and 327,438,190.40

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Solution

The fourth proportional to 654,912,134.60, 982,368,201.90 and 327,438,190.40 is: 491,157,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,912,134.60 : 982,368,201.90 = 327,438,190.40 : x
  2. Step 2: Convert to fraction form
    654,912,134.60/982,368,201.90 = 327,438,190.40/x
  3. Step 3: Cross multiply
    654,912,134.60x = 982,368,201.90 × 327,438,190.40
  4. Step 4: Simplify right side
    654,912,134.60x = 321,664,866,336,637,824
  5. Step 5: Solve for x
    x = 321,664,866,336,637,824/654,912,134.60
  6. Step 6: Final answer
    x = 491,157,285.60

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Half scale
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Double scale
Find fourth proportional to 654,912,135.60, 982,368,203.40 and 327,438,191.40
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.