Home / 395,617,992.03-545,985,512.55-219,462,781.95

Finding the Fourth Proportional to 395,617,992.03, 545,985,512.55 and 219,462,781.95

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Solution

The fourth proportional to 395,617,992.03, 545,985,512.55 and 219,462,781.95 is: 302,876,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,617,992.03 : 545,985,512.55 = 219,462,781.95 : x
  2. Step 2: Convert to fraction form
    395,617,992.03/545,985,512.55 = 219,462,781.95/x
  3. Step 3: Cross multiply
    395,617,992.03x = 545,985,512.55 × 219,462,781.95
  4. Step 4: Simplify right side
    395,617,992.03x = 119,823,499,488,619,616
  5. Step 5: Solve for x
    x = 119,823,499,488,619,616/395,617,992.03
  6. Step 6: Final answer
    x = 302,876,769.77

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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.