Home / 505,657,414.80-758,178,192.60-198,581,619.60

Finding the Fourth Proportional to 505,657,414.80, 758,178,192.60 and 198,581,619.60

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Solution

The fourth proportional to 505,657,414.80, 758,178,192.60 and 198,581,619.60 is: 297,751,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,657,414.80 : 758,178,192.60 = 198,581,619.60 : x
  2. Step 2: Convert to fraction form
    505,657,414.80/758,178,192.60 = 198,581,619.60/x
  3. Step 3: Cross multiply
    505,657,414.80x = 758,178,192.60 × 198,581,619.60
  4. Step 4: Simplify right side
    505,657,414.80x = 150,560,253,431,908,736
  5. Step 5: Solve for x
    x = 150,560,253,431,908,736/505,657,414.80
  6. Step 6: Final answer
    x = 297,751,499.39

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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.