Home / 531,550,018.20-797,325,027.30-388,222,786.20

Finding the Fourth Proportional to 531,550,018.20, 797,325,027.30 and 388,222,786.20

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Solution

The fourth proportional to 531,550,018.20, 797,325,027.30 and 388,222,786.20 is: 582,334,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,550,018.20 : 797,325,027.30 = 388,222,786.20 : x
  2. Step 2: Convert to fraction form
    531,550,018.20/797,325,027.30 = 388,222,786.20/x
  3. Step 3: Cross multiply
    531,550,018.20x = 797,325,027.30 × 388,222,786.20
  4. Step 4: Simplify right side
    531,550,018.20x = 309,539,743,605,397,056
  5. Step 5: Solve for x
    x = 309,539,743,605,397,056/531,550,018.20
  6. Step 6: Final answer
    x = 582,334,179.30

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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.