Home / 501,458,695.05-692,012,997.24-281,442,121.05

Finding the Fourth Proportional to 501,458,695.05, 692,012,997.24 and 281,442,121.05

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Solution

The fourth proportional to 501,458,695.05, 692,012,997.24 and 281,442,121.05 is: 388,390,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,458,695.05 : 692,012,997.24 = 281,442,121.05 : x
  2. Step 2: Convert to fraction form
    501,458,695.05/692,012,997.24 = 281,442,121.05/x
  3. Step 3: Cross multiply
    501,458,695.05x = 692,012,997.24 × 281,442,121.05
  4. Step 4: Simplify right side
    501,458,695.05x = 194,761,605,737,393,408
  5. Step 5: Solve for x
    x = 194,761,605,737,393,408/501,458,695.05
  6. Step 6: Final answer
    x = 388,390,125.97

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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.