Home / 580,248,067.02-800,761,985.07-315,940,310.70

Finding the Fourth Proportional to 580,248,067.02, 800,761,985.07 and 315,940,310.70

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Solution

The fourth proportional to 580,248,067.02, 800,761,985.07 and 315,940,310.70 is: 436,008,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,248,067.02 : 800,761,985.07 = 315,940,310.70 : x
  2. Step 2: Convert to fraction form
    580,248,067.02/800,761,985.07 = 315,940,310.70/x
  3. Step 3: Cross multiply
    580,248,067.02x = 800,761,985.07 × 315,940,310.70
  4. Step 4: Simplify right side
    580,248,067.02x = 252,992,990,359,764,576
  5. Step 5: Solve for x
    x = 252,992,990,359,764,576/580,248,067.02
  6. Step 6: Final answer
    x = 436,008,329.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.