Home / 15,049,532,097.78-20,767,177,833.57-8,366,121,683.70

Finding the Fourth Proportional to 15,049,532,097.78, 20,767,177,833.57 and 8,366,121,683.70

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Solution

The fourth proportional to 15,049,532,097.78, 20,767,177,833.57 and 8,366,121,683.70 is: 11,544,593,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,532,097.78 : 20,767,177,833.57 = 8,366,121,683.70 : x
  2. Step 2: Convert to fraction form
    15,049,532,097.78/20,767,177,833.57 = 8,366,121,683.70/x
  3. Step 3: Cross multiply
    15,049,532,097.78x = 20,767,177,833.57 × 8,366,121,683.70
  4. Step 4: Simplify right side
    15,049,532,097.78x = 173,740,736,782,683,963,392
  5. Step 5: Solve for x
    x = 173,740,736,782,683,963,392/15,049,532,097.78
  6. Step 6: Final answer
    x = 11,544,593,921.85

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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.