Home / 541,367,118.72-747,067,293.90-306,412,734.64

Finding the Fourth Proportional to 541,367,118.72, 747,067,293.90 and 306,412,734.64

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Solution

The fourth proportional to 541,367,118.72, 747,067,293.90 and 306,412,734.64 is: 422,838,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,367,118.72 : 747,067,293.90 = 306,412,734.64 : x
  2. Step 2: Convert to fraction form
    541,367,118.72/747,067,293.90 = 306,412,734.64/x
  3. Step 3: Cross multiply
    541,367,118.72x = 747,067,293.90 × 306,412,734.64
  4. Step 4: Simplify right side
    541,367,118.72x = 228,910,932,484,003,584
  5. Step 5: Solve for x
    x = 228,910,932,484,003,584/541,367,118.72
  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.