Home / 311,878,064.40-467,313,211.80-196,656,406.80

Finding the Fourth Proportional to 311,878,064.40, 467,313,211.80 and 196,656,406.80

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Solution

The fourth proportional to 311,878,064.40, 467,313,211.80 and 196,656,406.80 is: 294,666,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,878,064.40 : 467,313,211.80 = 196,656,406.80 : x
  2. Step 2: Convert to fraction form
    311,878,064.40/467,313,211.80 = 196,656,406.80/x
  3. Step 3: Cross multiply
    311,878,064.40x = 467,313,211.80 × 196,656,406.80
  4. Step 4: Simplify right side
    311,878,064.40x = 91,900,137,082,755,376
  5. Step 5: Solve for x
    x = 91,900,137,082,755,376/311,878,064.40
  6. Step 6: Final answer
    x = 294,666,882.90

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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.