Home / 491,042,176,634.75-677,630,992,085.03-274,271,534,653.05

Finding the Fourth Proportional to 491,042,176,634.75, 677,630,992,085.03 and 274,271,534,653.05

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Solution

The fourth proportional to 491,042,176,634.75, 677,630,992,085.03 and 274,271,534,653.05 is: 378,490,689,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,042,176,634.75 : 677,630,992,085.03 = 274,271,534,653.05 : x
  2. Step 2: Convert to fraction form
    491,042,176,634.75/677,630,992,085.03 = 274,271,534,653.05/x
  3. Step 3: Cross multiply
    491,042,176,634.75x = 677,630,992,085.03 × 274,271,534,653.05
  4. Step 4: Simplify right side
    491,042,176,634.75x = 185,854,892,127,629,971,816,448
  5. Step 5: Solve for x
    x = 185,854,892,127,629,971,816,448/491,042,176,634.75
  6. Step 6: Final answer
    x = 378,490,689,743.49

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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.