Home / 20,232,705,404.39-27,921,464,018.82-11,077,081,499.61

Finding the Fourth Proportional to 20,232,705,404.39, 27,921,464,018.82 and 11,077,081,499.61

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Solution

The fourth proportional to 20,232,705,404.39, 27,921,464,018.82 and 11,077,081,499.61 is: 15,286,553,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,705,404.39 : 27,921,464,018.82 = 11,077,081,499.61 : x
  2. Step 2: Convert to fraction form
    20,232,705,404.39/27,921,464,018.82 = 11,077,081,499.61/x
  3. Step 3: Cross multiply
    20,232,705,404.39x = 27,921,464,018.82 × 11,077,081,499.61
  4. Step 4: Simplify right side
    20,232,705,404.39x = 309,288,332,524,897,304,576
  5. Step 5: Solve for x
    x = 309,288,332,524,897,304,576/20,232,705,404.39
  6. Step 6: Final answer
    x = 15,286,553,446.18

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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.