Home / 1,800,661,719.68-2,700,942,190.88-573,903,785.60

Finding the Fourth Proportional to 1,800,661,719.68, 2,700,942,190.88 and 573,903,785.60

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Solution

The fourth proportional to 1,800,661,719.68, 2,700,942,190.88 and 573,903,785.60 is: 860,839,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,661,719.68 : 2,700,942,190.88 = 573,903,785.60 : x
  2. Step 2: Convert to fraction form
    1,800,661,719.68/2,700,942,190.88 = 573,903,785.60/x
  3. Step 3: Cross multiply
    1,800,661,719.68x = 2,700,942,190.88 × 573,903,785.60
  4. Step 4: Simplify right side
    1,800,661,719.68x = 1,550,080,948,032,790,016
  5. Step 5: Solve for x
    x = 1,550,080,948,032,790,016/1,800,661,719.68
  6. Step 6: Final answer
    x = 860,839,618.62

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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.