Home / 21,324,514,786.72-29,428,755,447.77-11,809,066,536.14

Finding the Fourth Proportional to 21,324,514,786.72, 29,428,755,447.77 and 11,809,066,536.14

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Solution

The fourth proportional to 21,324,514,786.72, 29,428,755,447.77 and 11,809,066,536.14 is: 16,297,024,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,514,786.72 : 29,428,755,447.77 = 11,809,066,536.14 : x
  2. Step 2: Convert to fraction form
    21,324,514,786.72/29,428,755,447.77 = 11,809,066,536.14/x
  3. Step 3: Cross multiply
    21,324,514,786.72x = 29,428,755,447.77 × 11,809,066,536.14
  4. Step 4: Simplify right side
    21,324,514,786.72x = 347,526,131,158,508,437,504
  5. Step 5: Solve for x
    x = 347,526,131,158,508,437,504/21,324,514,786.72
  6. Step 6: Final answer
    x = 16,297,024,088.68

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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.