Home / 331,879,556.40-497,819,334.60-159,692,672.40

Finding the Fourth Proportional to 331,879,556.40, 497,819,334.60 and 159,692,672.40

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Solution

The fourth proportional to 331,879,556.40, 497,819,334.60 and 159,692,672.40 is: 239,539,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,879,556.40 : 497,819,334.60 = 159,692,672.40 : x
  2. Step 2: Convert to fraction form
    331,879,556.40/497,819,334.60 = 159,692,672.40/x
  3. Step 3: Cross multiply
    331,879,556.40x = 497,819,334.60 × 159,692,672.40
  4. Step 4: Simplify right side
    331,879,556.40x = 79,498,099,914,663,792
  5. Step 5: Solve for x
    x = 79,498,099,914,663,792/331,879,556.40
  6. Step 6: Final answer
    x = 239,539,008.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.