Home / 21,051,142,576.77-29,052,002,063.36-11,892,494,910.60

Finding the Fourth Proportional to 21,051,142,576.77, 29,052,002,063.36 and 11,892,494,910.60

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Solution

The fourth proportional to 21,051,142,576.77, 29,052,002,063.36 and 11,892,494,910.60 is: 16,412,448,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,142,576.77 : 29,052,002,063.36 = 11,892,494,910.60 : x
  2. Step 2: Convert to fraction form
    21,051,142,576.77/29,052,002,063.36 = 11,892,494,910.60/x
  3. Step 3: Cross multiply
    21,051,142,576.77x = 29,052,002,063.36 × 11,892,494,910.60
  4. Step 4: Simplify right side
    21,051,142,576.77x = 345,500,786,681,249,529,856
  5. Step 5: Solve for x
    x = 345,500,786,681,249,529,856/21,051,142,576.77
  6. Step 6: Final answer
    x = 16,412,448,180.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.