Home / 329,825,643.30-494,794,452.15-99,792,900.90

Finding the Fourth Proportional to 329,825,643.30, 494,794,452.15 and 99,792,900.90

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Solution

The fourth proportional to 329,825,643.30, 494,794,452.15 and 99,792,900.90 is: 149,706,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,825,643.30 : 494,794,452.15 = 99,792,900.90 : x
  2. Step 2: Convert to fraction form
    329,825,643.30/494,794,452.15 = 99,792,900.90/x
  3. Step 3: Cross multiply
    329,825,643.30x = 494,794,452.15 × 99,792,900.90
  4. Step 4: Simplify right side
    329,825,643.30x = 49,376,973,729,274,744
  5. Step 5: Solve for x
    x = 49,376,973,729,274,744/329,825,643.30
  6. Step 6: Final answer
    x = 149,706,290.98

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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.