Home / 836,728,539.80-1,255,140,048.90-254,481,780.20

Finding the Fourth Proportional to 836,728,539.80, 1,255,140,048.90 and 254,481,780.20

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Solution

The fourth proportional to 836,728,539.80, 1,255,140,048.90 and 254,481,780.20 is: 381,737,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,728,539.80 : 1,255,140,048.90 = 254,481,780.20 : x
  2. Step 2: Convert to fraction form
    836,728,539.80/1,255,140,048.90 = 254,481,780.20/x
  3. Step 3: Cross multiply
    836,728,539.80x = 1,255,140,048.90 × 254,481,780.20
  4. Step 4: Simplify right side
    836,728,539.80x = 319,410,274,044,387,072
  5. Step 5: Solve for x
    x = 319,410,274,044,387,072/836,728,539.80
  6. Step 6: Final answer
    x = 381,737,037.58

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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.