Home / 15,049,532,102.78-20,767,177,840.46-8,366,121,688.70

Finding the Fourth Proportional to 15,049,532,102.78, 20,767,177,840.46 and 8,366,121,688.70

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Solution

The fourth proportional to 15,049,532,102.78, 20,767,177,840.46 and 8,366,121,688.70 is: 11,544,593,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,532,102.78 : 20,767,177,840.46 = 8,366,121,688.70 : x
  2. Step 2: Convert to fraction form
    15,049,532,102.78/20,767,177,840.46 = 8,366,121,688.70/x
  3. Step 3: Cross multiply
    15,049,532,102.78x = 20,767,177,840.46 × 8,366,121,688.70
  4. Step 4: Simplify right side
    15,049,532,102.78x = 173,740,736,944,162,406,400
  5. Step 5: Solve for x
    x = 173,740,736,944,162,406,400/15,049,532,102.78
  6. Step 6: Final answer
    x = 11,544,593,928.74

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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.