Home / 658,583,825.30-908,846,977.42-361,228,487.55

Finding the Fourth Proportional to 658,583,825.30, 908,846,977.42 and 361,228,487.55

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Solution

The fourth proportional to 658,583,825.30, 908,846,977.42 and 361,228,487.55 is: 498,496,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,583,825.30 : 908,846,977.42 = 361,228,487.55 : x
  2. Step 2: Convert to fraction form
    658,583,825.30/908,846,977.42 = 361,228,487.55/x
  3. Step 3: Cross multiply
    658,583,825.30x = 908,846,977.42 × 361,228,487.55
  4. Step 4: Simplify right side
    658,583,825.30x = 328,301,419,067,815,616
  5. Step 5: Solve for x
    x = 328,301,419,067,815,616/658,583,825.30
  6. Step 6: Final answer
    x = 498,496,025.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.