Home / 20,785,400,556.70-31,178,100,835.05-16,867,192,351.90

Finding the Fourth Proportional to 20,785,400,556.70, 31,178,100,835.05 and 16,867,192,351.90

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Solution

The fourth proportional to 20,785,400,556.70, 31,178,100,835.05 and 16,867,192,351.90 is: 25,300,788,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,400,556.70 : 31,178,100,835.05 = 16,867,192,351.90 : x
  2. Step 2: Convert to fraction form
    20,785,400,556.70/31,178,100,835.05 = 16,867,192,351.90/x
  3. Step 3: Cross multiply
    20,785,400,556.70x = 31,178,100,835.05 × 16,867,192,351.90
  4. Step 4: Simplify right side
    20,785,400,556.70x = 525,887,023,951,722,315,776
  5. Step 5: Solve for x
    x = 525,887,023,951,722,315,776/20,785,400,556.70
  6. Step 6: Final answer
    x = 25,300,788,527.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.