Home / 617,932,436.43-852,747,106.74-339,491,896.11

Finding the Fourth Proportional to 617,932,436.43, 852,747,106.74 and 339,491,896.11

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Solution

The fourth proportional to 617,932,436.43, 852,747,106.74 and 339,491,896.11 is: 468,499,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,932,436.43 : 852,747,106.74 = 339,491,896.11 : x
  2. Step 2: Convert to fraction form
    617,932,436.43/852,747,106.74 = 339,491,896.11/x
  3. Step 3: Cross multiply
    617,932,436.43x = 852,747,106.74 × 339,491,896.11
  4. Step 4: Simplify right side
    617,932,436.43x = 289,500,732,169,479,168
  5. Step 5: Solve for x
    x = 289,500,732,169,479,168/617,932,436.43
  6. Step 6: Final answer
    x = 468,499,005.88

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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.