Home / 491,042,176,630.01-677,630,992,078.45-274,271,534,648.34

Finding the Fourth Proportional to 491,042,176,630.01, 677,630,992,078.45 and 274,271,534,648.34

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Solution

The fourth proportional to 491,042,176,630.01, 677,630,992,078.45 and 274,271,534,648.34 is: 378,490,689,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,042,176,630.01 : 677,630,992,078.45 = 274,271,534,648.34 : x
  2. Step 2: Convert to fraction form
    491,042,176,630.01/677,630,992,078.45 = 274,271,534,648.34/x
  3. Step 3: Cross multiply
    491,042,176,630.01x = 677,630,992,078.45 × 274,271,534,648.34
  4. Step 4: Simplify right side
    491,042,176,630.01x = 185,854,892,122,633,582,673,920
  5. Step 5: Solve for x
    x = 185,854,892,122,633,582,673,920/491,042,176,630.01
  6. Step 6: Final answer
    x = 378,490,689,736.97

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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.