Home / 749,669,067.92-1,034,530,343.88-415,134,959.60

Finding the Fourth Proportional to 749,669,067.92, 1,034,530,343.88 and 415,134,959.60

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Solution

The fourth proportional to 749,669,067.92, 1,034,530,343.88 and 415,134,959.60 is: 572,879,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,669,067.92 : 1,034,530,343.88 = 415,134,959.60 : x
  2. Step 2: Convert to fraction form
    749,669,067.92/1,034,530,343.88 = 415,134,959.60/x
  3. Step 3: Cross multiply
    749,669,067.92x = 1,034,530,343.88 × 415,134,959.60
  4. Step 4: Simplify right side
    749,669,067.92x = 429,469,712,511,597,952
  5. Step 5: Solve for x
    x = 429,469,712,511,597,952/749,669,067.92
  6. Step 6: Final answer
    x = 572,879,062.09

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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.