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Finding the Fourth Proportional to 66,308,382,002.20, 99,462,573,003.30 and 66,308,382,002.20

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Solution

The fourth proportional to 66,308,382,002.20, 99,462,573,003.30 and 66,308,382,002.20 is: 99,462,573,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,308,382,002.20 : 99,462,573,003.30 = 66,308,382,002.20 : x
  2. Step 2: Convert to fraction form
    66,308,382,002.20/99,462,573,003.30 = 66,308,382,002.20/x
  3. Step 3: Cross multiply
    66,308,382,002.20x = 99,462,573,003.30 × 66,308,382,002.20
  4. Step 4: Simplify right side
    66,308,382,002.20x = 6,595,202,285,624,521,392,128
  5. Step 5: Solve for x
    x = 6,595,202,285,624,521,392,128/66,308,382,002.20
  6. Step 6: Final answer
    x = 99,462,573,003.30

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Double scale
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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.