Home / 484,980,912.80-727,471,369.20-291,489,149.60

Finding the Fourth Proportional to 484,980,912.80, 727,471,369.20 and 291,489,149.60

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Solution

The fourth proportional to 484,980,912.80, 727,471,369.20 and 291,489,149.60 is: 437,233,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,980,912.80 : 727,471,369.20 = 291,489,149.60 : x
  2. Step 2: Convert to fraction form
    484,980,912.80/727,471,369.20 = 291,489,149.60/x
  3. Step 3: Cross multiply
    484,980,912.80x = 727,471,369.20 × 291,489,149.60
  4. Step 4: Simplify right side
    484,980,912.80x = 212,050,010,766,455,648
  5. Step 5: Solve for x
    x = 212,050,010,766,455,648/484,980,912.80
  6. Step 6: Final answer
    x = 437,233,724.40

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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.