Home / 395,080,633.34-545,244,754.79-218,923,885.07

Finding the Fourth Proportional to 395,080,633.34, 545,244,754.79 and 218,923,885.07

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Solution

The fourth proportional to 395,080,633.34, 545,244,754.79 and 218,923,885.07 is: 302,133,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,080,633.34 : 545,244,754.79 = 218,923,885.07 : x
  2. Step 2: Convert to fraction form
    395,080,633.34/545,244,754.79 = 218,923,885.07/x
  3. Step 3: Cross multiply
    395,080,633.34x = 545,244,754.79 × 218,923,885.07
  4. Step 4: Simplify right side
    395,080,633.34x = 119,367,100,032,689,312
  5. Step 5: Solve for x
    x = 119,367,100,032,689,312/395,080,633.34
  6. Step 6: Final answer
    x = 302,133,513.92

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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.