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Finding the Fourth Proportional to 13,153,208,287.80, 19,729,812,431.70 and 13,153,208,287.80

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Solution

The fourth proportional to 13,153,208,287.80, 19,729,812,431.70 and 13,153,208,287.80 is: 19,729,812,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,208,287.80 : 19,729,812,431.70 = 13,153,208,287.80 : x
  2. Step 2: Convert to fraction form
    13,153,208,287.80/19,729,812,431.70 = 13,153,208,287.80/x
  3. Step 3: Cross multiply
    13,153,208,287.80x = 19,729,812,431.70 × 13,153,208,287.80
  4. Step 4: Simplify right side
    13,153,208,287.80x = 259,510,332,393,375,891,456
  5. Step 5: Solve for x
    x = 259,510,332,393,375,891,456/13,153,208,287.80
  6. Step 6: Final answer
    x = 19,729,812,431.70

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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.