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Finding the Fourth Proportional to 12,682,780,452,014, 19,024,170,678,021 and 12,682,780,452,014

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Solution

The fourth proportional to 12,682,780,452,014, 19,024,170,678,021 and 12,682,780,452,014 is: 19,024,170,678,021

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,780,452,014 : 19,024,170,678,021 = 12,682,780,452,014 : x
  2. Step 2: Convert to fraction form
    12,682,780,452,014/19,024,170,678,021 = 12,682,780,452,014/x
  3. Step 3: Cross multiply
    12,682,780,452,014x = 19,024,170,678,021 × 12,682,780,452,014
  4. Step 4: Simplify right side
    12,682,780,452,014x = 241,279,379,990,982,670,363,394,048
  5. Step 5: Solve for x
    x = 241,279,379,990,982,670,363,394,048/12,682,780,452,014
  6. Step 6: Final answer
    x = 19,024,170,678,021

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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.