Home / 665,723,742.80-998,588,724.60-234,902,238.80

Finding the Fourth Proportional to 665,723,742.80, 998,588,724.60 and 234,902,238.80

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Solution

The fourth proportional to 665,723,742.80, 998,588,724.60 and 234,902,238.80 is: 352,354,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,723,742.80 : 998,588,724.60 = 234,902,238.80 : x
  2. Step 2: Convert to fraction form
    665,723,742.80/998,588,724.60 = 234,902,238.80/x
  3. Step 3: Cross multiply
    665,723,742.80x = 998,588,724.60 × 234,902,238.80
  4. Step 4: Simplify right side
    665,723,742.80x = 234,570,727,048,976,640
  5. Step 5: Solve for x
    x = 234,570,727,048,976,640/665,723,742.80
  6. Step 6: Final answer
    x = 352,354,455.71

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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.