Home / 395,286,991.39-545,496,098.93-219,086,362.18

Finding the Fourth Proportional to 395,286,991.39, 545,496,098.93 and 219,086,362.18

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Solution

The fourth proportional to 395,286,991.39, 545,496,098.93 and 219,086,362.18 is: 302,339,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,286,991.39 : 545,496,098.93 = 219,086,362.18 : x
  2. Step 2: Convert to fraction form
    395,286,991.39/545,496,098.93 = 219,086,362.18/x
  3. Step 3: Cross multiply
    395,286,991.39x = 545,496,098.93 × 219,086,362.18
  4. Step 4: Simplify right side
    395,286,991.39x = 119,510,755,896,523,552
  5. Step 5: Solve for x
    x = 119,510,755,896,523,552/395,286,991.39
  6. Step 6: Final answer
    x = 302,339,207.97

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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.