Home / 843,555,662.16-1,265,416,655.76-290,785,318.44

Finding the Fourth Proportional to 843,555,662.16, 1,265,416,655.76 and 290,785,318.44

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Solution

The fourth proportional to 843,555,662.16, 1,265,416,655.76 and 290,785,318.44 is: 436,206,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,555,662.16 : 1,265,416,655.76 = 290,785,318.44 : x
  2. Step 2: Convert to fraction form
    843,555,662.16/1,265,416,655.76 = 290,785,318.44/x
  3. Step 3: Cross multiply
    843,555,662.16x = 1,265,416,655.76 × 290,785,318.44
  4. Step 4: Simplify right side
    843,555,662.16x = 367,964,585,204,451,456
  5. Step 5: Solve for x
    x = 367,964,585,204,451,456/843,555,662.16
  6. Step 6: Final answer
    x = 436,206,644.93

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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.