Home / 505,718,155.80-758,577,233.70-331,122,072.60

Finding the Fourth Proportional to 505,718,155.80, 758,577,233.70 and 331,122,072.60

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Solution

The fourth proportional to 505,718,155.80, 758,577,233.70 and 331,122,072.60 is: 496,683,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,718,155.80 : 758,577,233.70 = 331,122,072.60 : x
  2. Step 2: Convert to fraction form
    505,718,155.80/758,577,233.70 = 331,122,072.60/x
  3. Step 3: Cross multiply
    505,718,155.80x = 758,577,233.70 × 331,122,072.60
  4. Step 4: Simplify right side
    505,718,155.80x = 251,181,665,849,918,592
  5. Step 5: Solve for x
    x = 251,181,665,849,918,592/505,718,155.80
  6. Step 6: Final answer
    x = 496,683,108.90

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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.