Home / 8,958,143,999.20-13,437,215,998.80-8,087,431,064.80

Finding the Fourth Proportional to 8,958,143,999.20, 13,437,215,998.80 and 8,087,431,064.80

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Solution

The fourth proportional to 8,958,143,999.20, 13,437,215,998.80 and 8,087,431,064.80 is: 12,131,146,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,143,999.20 : 13,437,215,998.80 = 8,087,431,064.80 : x
  2. Step 2: Convert to fraction form
    8,958,143,999.20/13,437,215,998.80 = 8,087,431,064.80/x
  3. Step 3: Cross multiply
    8,958,143,999.20x = 13,437,215,998.80 × 8,087,431,064.80
  4. Step 4: Simplify right side
    8,958,143,999.20x = 108,672,558,093,122,682,880
  5. Step 5: Solve for x
    x = 108,672,558,093,122,682,880/8,958,143,999.20
  6. Step 6: Final answer
    x = 12,131,146,597.20

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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.