Home / 329,079,940.80-493,745,882.40-323,915,121.60

Finding the Fourth Proportional to 329,079,940.80, 493,745,882.40 and 323,915,121.60

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Solution

The fourth proportional to 329,079,940.80, 493,745,882.40 and 323,915,121.60 is: 485,996,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,079,940.80 : 493,745,882.40 = 323,915,121.60 : x
  2. Step 2: Convert to fraction form
    329,079,940.80/493,745,882.40 = 323,915,121.60/x
  3. Step 3: Cross multiply
    329,079,940.80x = 493,745,882.40 × 323,915,121.60
  4. Step 4: Simplify right side
    329,079,940.80x = 159,931,757,537,095,296
  5. Step 5: Solve for x
    x = 159,931,757,537,095,296/329,079,940.80
  6. Step 6: Final answer
    x = 485,996,676.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.