Home / 419,904,446.40-629,856,669.60-361,453,809.60

Finding the Fourth Proportional to 419,904,446.40, 629,856,669.60 and 361,453,809.60

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Solution

The fourth proportional to 419,904,446.40, 629,856,669.60 and 361,453,809.60 is: 542,180,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,446.40 : 629,856,669.60 = 361,453,809.60 : x
  2. Step 2: Convert to fraction form
    419,904,446.40/629,856,669.60 = 361,453,809.60/x
  3. Step 3: Cross multiply
    419,904,446.40x = 629,856,669.60 × 361,453,809.60
  4. Step 4: Simplify right side
    419,904,446.40x = 227,664,092,728,888,544
  5. Step 5: Solve for x
    x = 227,664,092,728,888,544/419,904,446.40
  6. Step 6: Final answer
    x = 542,180,714.40

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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.