Home / 501,582,433.82-692,185,375.49-278,564,115.33

Finding the Fourth Proportional to 501,582,433.82, 692,185,375.49 and 278,564,115.33

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Solution

The fourth proportional to 501,582,433.82, 692,185,375.49 and 278,564,115.33 is: 384,419,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,582,433.82 : 692,185,375.49 = 278,564,115.33 : x
  2. Step 2: Convert to fraction form
    501,582,433.82/692,185,375.49 = 278,564,115.33/x
  3. Step 3: Cross multiply
    501,582,433.82x = 692,185,375.49 × 278,564,115.33
  4. Step 4: Simplify right side
    501,582,433.82x = 192,818,006,766,342,880
  5. Step 5: Solve for x
    x = 192,818,006,766,342,880/501,582,433.82
  6. Step 6: Final answer
    x = 384,419,377.09

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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.