Home / 681,540,292.90-1,022,310,433.44-163,970,727.34

Finding the Fourth Proportional to 681,540,292.90, 1,022,310,433.44 and 163,970,727.34

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Solution

The fourth proportional to 681,540,292.90, 1,022,310,433.44 and 163,970,727.34 is: 245,956,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,540,292.90 : 1,022,310,433.44 = 163,970,727.34 : x
  2. Step 2: Convert to fraction form
    681,540,292.90/1,022,310,433.44 = 163,970,727.34/x
  3. Step 3: Cross multiply
    681,540,292.90x = 1,022,310,433.44 × 163,970,727.34
  4. Step 4: Simplify right side
    681,540,292.90x = 167,628,985,338,427,456
  5. Step 5: Solve for x
    x = 167,628,985,338,427,456/681,540,292.90
  6. Step 6: Final answer
    x = 245,956,089.59

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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.