Home / 395,577,582.20-545,886,721.68-219,365,131.04

Finding the Fourth Proportional to 395,577,582.20, 545,886,721.68 and 219,365,131.04

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Solution

The fourth proportional to 395,577,582.20, 545,886,721.68 and 219,365,131.04 is: 302,718,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,577,582.20 : 545,886,721.68 = 219,365,131.04 : x
  2. Step 2: Convert to fraction form
    395,577,582.20/545,886,721.68 = 219,365,131.04/x
  3. Step 3: Cross multiply
    395,577,582.20x = 545,886,721.68 × 219,365,131.04
  4. Step 4: Simplify right side
    395,577,582.20x = 119,748,512,234,329,200
  5. Step 5: Solve for x
    x = 119,748,512,234,329,200/395,577,582.20
  6. Step 6: Final answer
    x = 302,718,145.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.