Home / 395,080,640.46-545,244,764.64-218,923,892.22

Finding the Fourth Proportional to 395,080,640.46, 545,244,764.64 and 218,923,892.22

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Solution

The fourth proportional to 395,080,640.46, 545,244,764.64 and 218,923,892.22 is: 302,133,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,080,640.46 : 545,244,764.64 = 218,923,892.22 : x
  2. Step 2: Convert to fraction form
    395,080,640.46/545,244,764.64 = 218,923,892.22/x
  3. Step 3: Cross multiply
    395,080,640.46x = 545,244,764.64 × 218,923,892.22
  4. Step 4: Simplify right side
    395,080,640.46x = 119,367,106,087,566,624
  5. Step 5: Solve for x
    x = 119,367,106,087,566,624/395,080,640.46
  6. Step 6: Final answer
    x = 302,133,523.80

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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.