Home / 395,080,667.60-545,244,802.12-218,923,919.44

Finding the Fourth Proportional to 395,080,667.60, 545,244,802.12 and 218,923,919.44

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Solution

The fourth proportional to 395,080,667.60, 545,244,802.12 and 218,923,919.44 is: 302,133,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,080,667.60 : 545,244,802.12 = 218,923,919.44 : x
  2. Step 2: Convert to fraction form
    395,080,667.60/545,244,802.12 = 218,923,919.44/x
  3. Step 3: Cross multiply
    395,080,667.60x = 545,244,802.12 × 218,923,919.44
  4. Step 4: Simplify right side
    395,080,667.60x = 119,367,129,134,397,616
  5. Step 5: Solve for x
    x = 119,367,129,134,397,616/395,080,667.60
  6. Step 6: Final answer
    x = 302,133,561.38

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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.