Home / 21,324,514,785.35-29,428,755,445.86-11,809,066,534.76

Finding the Fourth Proportional to 21,324,514,785.35, 29,428,755,445.86 and 11,809,066,534.76

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Solution

The fourth proportional to 21,324,514,785.35, 29,428,755,445.86 and 11,809,066,534.76 is: 16,297,024,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,514,785.35 : 29,428,755,445.86 = 11,809,066,534.76 : x
  2. Step 2: Convert to fraction form
    21,324,514,785.35/29,428,755,445.86 = 11,809,066,534.76/x
  3. Step 3: Cross multiply
    21,324,514,785.35x = 29,428,755,445.86 × 11,809,066,534.76
  4. Step 4: Simplify right side
    21,324,514,785.35x = 347,526,131,095,217,897,472
  5. Step 5: Solve for x
    x = 347,526,131,095,217,897,472/21,324,514,785.35
  6. Step 6: Final answer
    x = 16,297,024,086.76

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Double scale
Find fourth proportional to 21,324,514,786.35, 29,428,755,447.24 and 11,809,066,535.76
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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.