Home / 836,728,542.80-1,255,140,053.40-254,481,783.20

Finding the Fourth Proportional to 836,728,542.80, 1,255,140,053.40 and 254,481,783.20

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Solution

The fourth proportional to 836,728,542.80, 1,255,140,053.40 and 254,481,783.20 is: 381,737,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,728,542.80 : 1,255,140,053.40 = 254,481,783.20 : x
  2. Step 2: Convert to fraction form
    836,728,542.80/1,255,140,053.40 = 254,481,783.20/x
  3. Step 3: Cross multiply
    836,728,542.80x = 1,255,140,053.40 × 254,481,783.20
  4. Step 4: Simplify right side
    836,728,542.80x = 319,410,278,954,975,232
  5. Step 5: Solve for x
    x = 319,410,278,954,975,232/836,728,542.80
  6. Step 6: Final answer
    x = 381,737,042.08

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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.