Home / 531,504,139.20-796,509,712.80-422,515,723.20

Finding the Fourth Proportional to 531,504,139.20, 796,509,712.80 and 422,515,723.20

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Solution

The fourth proportional to 531,504,139.20, 796,509,712.80 and 422,515,723.20 is: 633,180,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,504,139.20 : 796,509,712.80 = 422,515,723.20 : x
  2. Step 2: Convert to fraction form
    531,504,139.20/796,509,712.80 = 422,515,723.20/x
  3. Step 3: Cross multiply
    531,504,139.20x = 796,509,712.80 × 422,515,723.20
  4. Step 4: Simplify right side
    531,504,139.20x = 336,537,877,339,516,288
  5. Step 5: Solve for x
    x = 336,537,877,339,516,288/531,504,139.20
  6. Step 6: Final answer
    x = 633,180,162.71

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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.