Home / 641,202,249.10-962,425,323.24-309,442,732.12

Finding the Fourth Proportional to 641,202,249.10, 962,425,323.24 and 309,442,732.12

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Solution

The fourth proportional to 641,202,249.10, 962,425,323.24 and 309,442,732.12 is: 464,464,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,202,249.10 : 962,425,323.24 = 309,442,732.12 : x
  2. Step 2: Convert to fraction form
    641,202,249.10/962,425,323.24 = 309,442,732.12/x
  3. Step 3: Cross multiply
    641,202,249.10x = 962,425,323.24 × 309,442,732.12
  4. Step 4: Simplify right side
    641,202,249.10x = 297,815,521,484,859,712
  5. Step 5: Solve for x
    x = 297,815,521,484,859,712/641,202,249.10
  6. Step 6: Final answer
    x = 464,464,249.62

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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.