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Finding the Fourth Proportional to 60,336,397,321.20, 90,504,595,981.80 and 60,336,397,321.20

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Solution

The fourth proportional to 60,336,397,321.20, 90,504,595,981.80 and 60,336,397,321.20 is: 90,504,595,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,336,397,321.20 : 90,504,595,981.80 = 60,336,397,321.20 : x
  2. Step 2: Convert to fraction form
    60,336,397,321.20/90,504,595,981.80 = 60,336,397,321.20/x
  3. Step 3: Cross multiply
    60,336,397,321.20x = 90,504,595,981.80 × 60,336,397,321.20
  4. Step 4: Simplify right side
    60,336,397,321.20x = 5,460,721,262,552,566,202,368
  5. Step 5: Solve for x
    x = 5,460,721,262,552,566,202,368/60,336,397,321.20
  6. Step 6: Final answer
    x = 90,504,595,981.80

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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.