Home / 517,396,523.40-776,202,612.30-172,457,310.60

Finding the Fourth Proportional to 517,396,523.40, 776,202,612.30 and 172,457,310.60

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Solution

The fourth proportional to 517,396,523.40, 776,202,612.30 and 172,457,310.60 is: 258,721,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,396,523.40 : 776,202,612.30 = 172,457,310.60 : x
  2. Step 2: Convert to fraction form
    517,396,523.40/776,202,612.30 = 172,457,310.60/x
  3. Step 3: Cross multiply
    517,396,523.40x = 776,202,612.30 × 172,457,310.60
  4. Step 4: Simplify right side
    517,396,523.40x = 133,861,814,997,952,464
  5. Step 5: Solve for x
    x = 133,861,814,997,952,464/517,396,523.40
  6. Step 6: Final answer
    x = 258,721,906.59

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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.