Home / 468,195,620.33-646,109,731.23-280,023,910.94

Finding the Fourth Proportional to 468,195,620.33, 646,109,731.23 and 280,023,910.94

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Solution

The fourth proportional to 468,195,620.33, 646,109,731.23 and 280,023,910.94 is: 386,432,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,195,620.33 : 646,109,731.23 = 280,023,910.94 : x
  2. Step 2: Convert to fraction form
    468,195,620.33/646,109,731.23 = 280,023,910.94/x
  3. Step 3: Cross multiply
    468,195,620.33x = 646,109,731.23 × 280,023,910.94
  4. Step 4: Simplify right side
    468,195,620.33x = 180,926,173,835,416,864
  5. Step 5: Solve for x
    x = 180,926,173,835,416,864/468,195,620.33
  6. Step 6: Final answer
    x = 386,432,862.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.