Home / 541,367,118.68-747,067,293.87-306,412,734.63

Finding the Fourth Proportional to 541,367,118.68, 747,067,293.87 and 306,412,734.63

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Solution

The fourth proportional to 541,367,118.68, 747,067,293.87 and 306,412,734.63 is: 422,838,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,367,118.68 : 747,067,293.87 = 306,412,734.63 : x
  2. Step 2: Convert to fraction form
    541,367,118.68/747,067,293.87 = 306,412,734.63/x
  3. Step 3: Cross multiply
    541,367,118.68x = 747,067,293.87 × 306,412,734.63
  4. Step 4: Simplify right side
    541,367,118.68x = 228,910,932,467,340,544
  5. Step 5: Solve for x
    x = 228,910,932,467,340,544/541,367,118.68
  6. Step 6: Final answer
    x = 422,838,633.10

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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.