Home / 1,451,962,299.80-2,178,793,755.30-531,931,640.60

Finding the Fourth Proportional to 1,451,962,299.80, 2,178,793,755.30 and 531,931,640.60

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Solution

The fourth proportional to 1,451,962,299.80, 2,178,793,755.30 and 531,931,640.60 is: 798,208,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,962,299.80 : 2,178,793,755.30 = 531,931,640.60 : x
  2. Step 2: Convert to fraction form
    1,451,962,299.80/2,178,793,755.30 = 531,931,640.60/x
  3. Step 3: Cross multiply
    1,451,962,299.80x = 2,178,793,755.30 × 531,931,640.60
  4. Step 4: Simplify right side
    1,451,962,299.80x = 1,158,969,336,785,764,096
  5. Step 5: Solve for x
    x = 1,158,969,336,785,764,096/1,451,962,299.80
  6. Step 6: Final answer
    x = 798,208,973.43

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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.