Home / 9,015,750,192.43-13,525,702,922.09-3,120,309,497.78

Finding the Fourth Proportional to 9,015,750,192.43, 13,525,702,922.09 and 3,120,309,497.78

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Solution

The fourth proportional to 9,015,750,192.43, 13,525,702,922.09 and 3,120,309,497.78 is: 4,681,183,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,750,192.43 : 13,525,702,922.09 = 3,120,309,497.78 : x
  2. Step 2: Convert to fraction form
    9,015,750,192.43/13,525,702,922.09 = 3,120,309,497.78/x
  3. Step 3: Cross multiply
    9,015,750,192.43x = 13,525,702,922.09 × 3,120,309,497.78
  4. Step 4: Simplify right side
    9,015,750,192.43x = 42,204,379,291,939,905,536
  5. Step 5: Solve for x
    x = 42,204,379,291,939,905,536/9,015,750,192.43
  6. Step 6: Final answer
    x = 4,681,183,306.01

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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.