Home / 339,968,577.20-509,952,865.80-271,944,129.20

Finding the Fourth Proportional to 339,968,577.20, 509,952,865.80 and 271,944,129.20

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Solution

The fourth proportional to 339,968,577.20, 509,952,865.80 and 271,944,129.20 is: 407,916,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,968,577.20 : 509,952,865.80 = 271,944,129.20 : x
  2. Step 2: Convert to fraction form
    339,968,577.20/509,952,865.80 = 271,944,129.20/x
  3. Step 3: Cross multiply
    339,968,577.20x = 509,952,865.80 × 271,944,129.20
  4. Step 4: Simplify right side
    339,968,577.20x = 138,678,688,023,025,456
  5. Step 5: Solve for x
    x = 138,678,688,023,025,456/339,968,577.20
  6. Step 6: Final answer
    x = 407,916,193.80

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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.