Home / 667,443,427.72-920,987,271.23-365,949,398.41

Finding the Fourth Proportional to 667,443,427.72, 920,987,271.23 and 365,949,398.41

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Solution

The fourth proportional to 667,443,427.72, 920,987,271.23 and 365,949,398.41 is: 504,963,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,443,427.72 : 920,987,271.23 = 365,949,398.41 : x
  2. Step 2: Convert to fraction form
    667,443,427.72/920,987,271.23 = 365,949,398.41/x
  3. Step 3: Cross multiply
    667,443,427.72x = 920,987,271.23 × 365,949,398.41
  4. Step 4: Simplify right side
    667,443,427.72x = 337,034,737,845,753,792
  5. Step 5: Solve for x
    x = 337,034,737,845,753,792/667,443,427.72
  6. Step 6: Final answer
    x = 504,963,752.51

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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.