Home / 505,718,164.80-758,577,247.20-331,122,081.60

Finding the Fourth Proportional to 505,718,164.80, 758,577,247.20 and 331,122,081.60

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Solution

The fourth proportional to 505,718,164.80, 758,577,247.20 and 331,122,081.60 is: 496,683,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,718,164.80 : 758,577,247.20 = 331,122,081.60 : x
  2. Step 2: Convert to fraction form
    505,718,164.80/758,577,247.20 = 331,122,081.60/x
  3. Step 3: Cross multiply
    505,718,164.80x = 758,577,247.20 × 331,122,081.60
  4. Step 4: Simplify right side
    505,718,164.80x = 251,181,677,147,261,792
  5. Step 5: Solve for x
    x = 251,181,677,147,261,792/505,718,164.80
  6. Step 6: Final answer
    x = 496,683,122.40

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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.