Home / 12,588,420,131.00-17,379,861,223.26-8,013,266,965.25

Finding the Fourth Proportional to 12,588,420,131.00, 17,379,861,223.26 and 8,013,266,965.25

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Solution

The fourth proportional to 12,588,420,131.00, 17,379,861,223.26 and 8,013,266,965.25 is: 11,063,299,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,420,131.00 : 17,379,861,223.26 = 8,013,266,965.25 : x
  2. Step 2: Convert to fraction form
    12,588,420,131.00/17,379,861,223.26 = 8,013,266,965.25/x
  3. Step 3: Cross multiply
    12,588,420,131.00x = 17,379,861,223.26 × 8,013,266,965.25
  4. Step 4: Simplify right side
    12,588,420,131.00x = 139,269,467,800,891,899,904
  5. Step 5: Solve for x
    x = 139,269,467,800,891,899,904/12,588,420,131.00
  6. Step 6: Final answer
    x = 11,063,299,949.61

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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.