Home / 38,105,627,676.38-52,585,809,789.60-21,188,912,022.98

Finding the Fourth Proportional to 38,105,627,676.38, 52,585,809,789.60 and 21,188,912,022.98

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Solution

The fourth proportional to 38,105,627,676.38, 52,585,809,789.60 and 21,188,912,022.98 is: 29,240,722,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105,627,676.38 : 52,585,809,789.60 = 21,188,912,022.98 : x
  2. Step 2: Convert to fraction form
    38,105,627,676.38/52,585,809,789.60 = 21,188,912,022.98/x
  3. Step 3: Cross multiply
    38,105,627,676.38x = 52,585,809,789.60 × 21,188,912,022.98
  4. Step 4: Simplify right side
    38,105,627,676.38x = 1,114,236,097,288,994,816,000
  5. Step 5: Solve for x
    x = 1,114,236,097,288,994,816,000/38,105,627,676.38
  6. Step 6: Final answer
    x = 29,240,722,833.69

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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.