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Finding the Fourth Proportional to 12,576,446,116.60, 18,828,389,469.30 and 12,576,446,116.60

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Solution

The fourth proportional to 12,576,446,116.60, 18,828,389,469.30 and 12,576,446,116.60 is: 18,828,389,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,446,116.60 : 18,828,389,469.30 = 12,576,446,116.60 : x
  2. Step 2: Convert to fraction form
    12,576,446,116.60/18,828,389,469.30 = 12,576,446,116.60/x
  3. Step 3: Cross multiply
    12,576,446,116.60x = 18,828,389,469.30 × 12,576,446,116.60
  4. Step 4: Simplify right side
    12,576,446,116.60x = 236,794,225,623,010,312,192
  5. Step 5: Solve for x
    x = 236,794,225,623,010,312,192/12,576,446,116.60
  6. Step 6: Final answer
    x = 18,828,389,469.30

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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.