Home / 491,518,556.44-678,293,539.84-271,501,982.44

Finding the Fourth Proportional to 491,518,556.44, 678,293,539.84 and 271,501,982.44

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Solution

The fourth proportional to 491,518,556.44, 678,293,539.84 and 271,501,982.44 is: 374,671,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,518,556.44 : 678,293,539.84 = 271,501,982.44 : x
  2. Step 2: Convert to fraction form
    491,518,556.44/678,293,539.84 = 271,501,982.44/x
  3. Step 3: Cross multiply
    491,518,556.44x = 678,293,539.84 × 271,501,982.44
  4. Step 4: Simplify right side
    491,518,556.44x = 184,158,040,742,805,120
  5. Step 5: Solve for x
    x = 184,158,040,742,805,120/491,518,556.44
  6. Step 6: Final answer
    x = 374,671,593.43

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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.