Home / 388,240,128,190.20-582,360,192,285.30-189,391,061,796.60

Finding the Fourth Proportional to 388,240,128,190.20, 582,360,192,285.30 and 189,391,061,796.60

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Solution

The fourth proportional to 388,240,128,190.20, 582,360,192,285.30 and 189,391,061,796.60 is: 284,086,592,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,240,128,190.20 : 582,360,192,285.30 = 189,391,061,796.60 : x
  2. Step 2: Convert to fraction form
    388,240,128,190.20/582,360,192,285.30 = 189,391,061,796.60/x
  3. Step 3: Cross multiply
    388,240,128,190.20x = 582,360,192,285.30 × 189,391,061,796.60
  4. Step 4: Simplify right side
    388,240,128,190.20x = 110,293,815,164,985,126,420,480
  5. Step 5: Solve for x
    x = 110,293,815,164,985,126,420,480/388,240,128,190.20
  6. Step 6: Final answer
    x = 284,086,592,694.90

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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.