Home / 8,005,405,692.24-11,991,215,472.39-6,422,945,446.80

Finding the Fourth Proportional to 8,005,405,692.24, 11,991,215,472.39 and 6,422,945,446.80

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Solution

The fourth proportional to 8,005,405,692.24, 11,991,215,472.39 and 6,422,945,446.80 is: 9,620,864,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005,405,692.24 : 11,991,215,472.39 = 6,422,945,446.80 : x
  2. Step 2: Convert to fraction form
    8,005,405,692.24/11,991,215,472.39 = 6,422,945,446.80/x
  3. Step 3: Cross multiply
    8,005,405,692.24x = 11,991,215,472.39 × 6,422,945,446.80
  4. Step 4: Simplify right side
    8,005,405,692.24x = 77,018,922,819,985,063,936
  5. Step 5: Solve for x
    x = 77,018,922,819,985,063,936/8,005,405,692.24
  6. Step 6: Final answer
    x = 9,620,864,423.48

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Double scale
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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.