Home / 639,738,108.80-959,607,163.20-295,364,340.80

Finding the Fourth Proportional to 639,738,108.80, 959,607,163.20 and 295,364,340.80

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Solution

The fourth proportional to 639,738,108.80, 959,607,163.20 and 295,364,340.80 is: 443,046,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,108.80 : 959,607,163.20 = 295,364,340.80 : x
  2. Step 2: Convert to fraction form
    639,738,108.80/959,607,163.20 = 295,364,340.80/x
  3. Step 3: Cross multiply
    639,738,108.80x = 959,607,163.20 × 295,364,340.80
  4. Step 4: Simplify right side
    639,738,108.80x = 283,433,737,185,526,048
  5. Step 5: Solve for x
    x = 283,433,737,185,526,048/639,738,108.80
  6. Step 6: Final answer
    x = 443,046,511.20

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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.