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Finding the Fourth Proportional to 12,754,612,902.30, 19,097,481,976.65 and 12,754,612,902.30

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Solution

The fourth proportional to 12,754,612,902.30, 19,097,481,976.65 and 12,754,612,902.30 is: 19,097,481,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,612,902.30 : 19,097,481,976.65 = 12,754,612,902.30 : x
  2. Step 2: Convert to fraction form
    12,754,612,902.30/19,097,481,976.65 = 12,754,612,902.30/x
  3. Step 3: Cross multiply
    12,754,612,902.30x = 19,097,481,976.65 × 12,754,612,902.30
  4. Step 4: Simplify right side
    12,754,612,902.30x = 243,580,990,020,821,811,200
  5. Step 5: Solve for x
    x = 243,580,990,020,821,811,200/12,754,612,902.30
  6. Step 6: Final answer
    x = 19,097,481,976.65

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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.