Home / 13,420,717,605.88-20,131,065,776.36-3,606,065,217.88

Finding the Fourth Proportional to 13,420,717,605.88, 20,131,065,776.36 and 3,606,065,217.88

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Solution

The fourth proportional to 13,420,717,605.88, 20,131,065,776.36 and 3,606,065,217.88 is: 5,409,094,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420,717,605.88 : 20,131,065,776.36 = 3,606,065,217.88 : x
  2. Step 2: Convert to fraction form
    13,420,717,605.88/20,131,065,776.36 = 3,606,065,217.88/x
  3. Step 3: Cross multiply
    13,420,717,605.88x = 20,131,065,776.36 × 3,606,065,217.88
  4. Step 4: Simplify right side
    13,420,717,605.88x = 72,593,936,094,986,240,000
  5. Step 5: Solve for x
    x = 72,593,936,094,986,240,000/13,420,717,605.88
  6. Step 6: Final answer
    x = 5,409,094,969.94

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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.