Home / 484,980,824.80-727,471,237.20-291,489,061.60

Finding the Fourth Proportional to 484,980,824.80, 727,471,237.20 and 291,489,061.60

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Solution

The fourth proportional to 484,980,824.80, 727,471,237.20 and 291,489,061.60 is: 437,233,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,980,824.80 : 727,471,237.20 = 291,489,061.60 : x
  2. Step 2: Convert to fraction form
    484,980,824.80/727,471,237.20 = 291,489,061.60/x
  3. Step 3: Cross multiply
    484,980,824.80x = 727,471,237.20 × 291,489,061.60
  4. Step 4: Simplify right side
    484,980,824.80x = 212,049,908,272,419,040
  5. Step 5: Solve for x
    x = 212,049,908,272,419,040/484,980,824.80
  6. Step 6: Final answer
    x = 437,233,592.40

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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.