Home / 388,240,128,230.70-582,360,192,346.05-189,391,061,837.10

Finding the Fourth Proportional to 388,240,128,230.70, 582,360,192,346.05 and 189,391,061,837.10

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Solution

The fourth proportional to 388,240,128,230.70, 582,360,192,346.05 and 189,391,061,837.10 is: 284,086,592,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,240,128,230.70 : 582,360,192,346.05 = 189,391,061,837.10 : x
  2. Step 2: Convert to fraction form
    388,240,128,230.70/582,360,192,346.05 = 189,391,061,837.10/x
  3. Step 3: Cross multiply
    388,240,128,230.70x = 582,360,192,346.05 × 189,391,061,837.10
  4. Step 4: Simplify right side
    388,240,128,230.70x = 110,293,815,200,076,217,188,352
  5. Step 5: Solve for x
    x = 110,293,815,200,076,217,188,352/388,240,128,230.70
  6. Step 6: Final answer
    x = 284,086,592,755.65

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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.