Home / 18,590,180,863.86-25,654,114,004.85-10,131,945,416.82

Finding the Fourth Proportional to 18,590,180,863.86, 25,654,114,004.85 and 10,131,945,416.82

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Solution

The fourth proportional to 18,590,180,863.86, 25,654,114,004.85 and 10,131,945,416.82 is: 13,981,901,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590,180,863.86 : 25,654,114,004.85 = 10,131,945,416.82 : x
  2. Step 2: Convert to fraction form
    18,590,180,863.86/25,654,114,004.85 = 10,131,945,416.82/x
  3. Step 3: Cross multiply
    18,590,180,863.86x = 25,654,114,004.85 × 10,131,945,416.82
  4. Step 4: Simplify right side
    18,590,180,863.86x = 259,926,082,814,017,699,840
  5. Step 5: Solve for x
    x = 259,926,082,814,017,699,840/18,590,180,863.86
  6. Step 6: Final answer
    x = 13,981,901,774.79

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Double scale
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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.