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Finding the Fourth Proportional to 408,540,348,054.80, 612,810,522,082.20 and 408,540,348,054.80

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Solution

The fourth proportional to 408,540,348,054.80, 612,810,522,082.20 and 408,540,348,054.80 is: 612,810,522,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,540,348,054.80 : 612,810,522,082.20 = 408,540,348,054.80 : x
  2. Step 2: Convert to fraction form
    408,540,348,054.80/612,810,522,082.20 = 408,540,348,054.80/x
  3. Step 3: Cross multiply
    408,540,348,054.80x = 612,810,522,082.20 × 408,540,348,054.80
  4. Step 4: Simplify right side
    408,540,348,054.80x = 250,357,823,983,105,651,769,344
  5. Step 5: Solve for x
    x = 250,357,823,983,105,651,769,344/408,540,348,054.80
  6. Step 6: Final answer
    x = 612,810,522,082.20

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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.