Home / 8,591,209,853.38-11,856,901,709.79-5,204,019,758.31

Finding the Fourth Proportional to 8,591,209,853.38, 11,856,901,709.79 and 5,204,019,758.31

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Solution

The fourth proportional to 8,591,209,853.38, 11,856,901,709.79 and 5,204,019,758.31 is: 7,182,172,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591,209,853.38 : 11,856,901,709.79 = 5,204,019,758.31 : x
  2. Step 2: Convert to fraction form
    8,591,209,853.38/11,856,901,709.79 = 5,204,019,758.31/x
  3. Step 3: Cross multiply
    8,591,209,853.38x = 11,856,901,709.79 × 5,204,019,758.31
  4. Step 4: Simplify right side
    8,591,209,853.38x = 61,703,550,770,086,789,120
  5. Step 5: Solve for x
    x = 61,703,550,770,086,789,120/8,591,209,853.38
  6. Step 6: Final answer
    x = 7,182,172,455.70

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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.