Home / 681,480,023.20-1,021,968,092.40-221,433,200.80

Finding the Fourth Proportional to 681,480,023.20, 1,021,968,092.40 and 221,433,200.80

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Solution

The fourth proportional to 681,480,023.20, 1,021,968,092.40 and 221,433,200.80 is: 332,067,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,480,023.20 : 1,021,968,092.40 = 221,433,200.80 : x
  2. Step 2: Convert to fraction form
    681,480,023.20/1,021,968,092.40 = 221,433,200.80/x
  3. Step 3: Cross multiply
    681,480,023.20x = 1,021,968,092.40 × 221,433,200.80
  4. Step 4: Simplify right side
    681,480,023.20x = 226,297,665,815,602,176
  5. Step 5: Solve for x
    x = 226,297,665,815,602,176/681,480,023.20
  6. Step 6: Final answer
    x = 332,067,937.59

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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.