Home / 397,788,490.60-596,682,735.90-203,635,378.60

Finding the Fourth Proportional to 397,788,490.60, 596,682,735.90 and 203,635,378.60

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Solution

The fourth proportional to 397,788,490.60, 596,682,735.90 and 203,635,378.60 is: 305,453,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,788,490.60 : 596,682,735.90 = 203,635,378.60 : x
  2. Step 2: Convert to fraction form
    397,788,490.60/596,682,735.90 = 203,635,378.60/x
  3. Step 3: Cross multiply
    397,788,490.60x = 596,682,735.90 × 203,635,378.60
  4. Step 4: Simplify right side
    397,788,490.60x = 121,505,714,829,080,304
  5. Step 5: Solve for x
    x = 121,505,714,829,080,304/397,788,490.60
  6. Step 6: Final answer
    x = 305,453,067.90

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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.