Home / 508,469,651.70-762,804,010.35-217,336,211.70

Finding the Fourth Proportional to 508,469,651.70, 762,804,010.35 and 217,336,211.70

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Solution

The fourth proportional to 508,469,651.70, 762,804,010.35 and 217,336,211.70 is: 326,046,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,469,651.70 : 762,804,010.35 = 217,336,211.70 : x
  2. Step 2: Convert to fraction form
    508,469,651.70/762,804,010.35 = 217,336,211.70/x
  3. Step 3: Cross multiply
    508,469,651.70x = 762,804,010.35 × 217,336,211.70
  4. Step 4: Simplify right side
    508,469,651.70x = 165,784,933,879,036,576
  5. Step 5: Solve for x
    x = 165,784,933,879,036,576/508,469,651.70
  6. Step 6: Final answer
    x = 326,046,861.06

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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.