Home / 15,193,460,839.68-20,967,099,065.28-8,419,392,571.52

Finding the Fourth Proportional to 15,193,460,839.68, 20,967,099,065.28 and 8,419,392,571.52

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Solution

The fourth proportional to 15,193,460,839.68, 20,967,099,065.28 and 8,419,392,571.52 is: 11,618,829,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,460,839.68 : 20,967,099,065.28 = 8,419,392,571.52 : x
  2. Step 2: Convert to fraction form
    15,193,460,839.68/20,967,099,065.28 = 8,419,392,571.52/x
  3. Step 3: Cross multiply
    15,193,460,839.68x = 20,967,099,065.28 × 8,419,392,571.52
  4. Step 4: Simplify right side
    15,193,460,839.68x = 176,530,238,116,542,382,080
  5. Step 5: Solve for x
    x = 176,530,238,116,542,382,080/15,193,460,839.68
  6. Step 6: Final answer
    x = 11,618,829,967.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.