Home / 489,329,288.10-733,993,932.15-198,335,816.10

Finding the Fourth Proportional to 489,329,288.10, 733,993,932.15 and 198,335,816.10

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Solution

The fourth proportional to 489,329,288.10, 733,993,932.15 and 198,335,816.10 is: 297,503,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,329,288.10 : 733,993,932.15 = 198,335,816.10 : x
  2. Step 2: Convert to fraction form
    489,329,288.10/733,993,932.15 = 198,335,816.10/x
  3. Step 3: Cross multiply
    489,329,288.10x = 733,993,932.15 × 198,335,816.10
  4. Step 4: Simplify right side
    489,329,288.10x = 145,577,285,545,418,272
  5. Step 5: Solve for x
    x = 145,577,285,545,418,272/489,329,288.10
  6. Step 6: Final answer
    x = 297,503,724.15

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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.