Home / 394,796,034.39-544,826,839.77-216,187,423.95

Finding the Fourth Proportional to 394,796,034.39, 544,826,839.77 and 216,187,423.95

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Solution

The fourth proportional to 394,796,034.39, 544,826,839.77 and 216,187,423.95 is: 298,343,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,796,034.39 : 544,826,839.77 = 216,187,423.95 : x
  2. Step 2: Convert to fraction form
    394,796,034.39/544,826,839.77 = 216,187,423.95/x
  3. Step 3: Cross multiply
    394,796,034.39x = 544,826,839.77 × 216,187,423.95
  4. Step 4: Simplify right side
    394,796,034.39x = 117,784,710,988,695,696
  5. Step 5: Solve for x
    x = 117,784,710,988,695,696/394,796,034.39
  6. Step 6: Final answer
    x = 298,343,196.81

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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.