Home / 744,214,008.15-1,116,235,832.94-198,998,057.43

Finding the Fourth Proportional to 744,214,008.15, 1,116,235,832.94 and 198,998,057.43

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Solution

The fourth proportional to 744,214,008.15, 1,116,235,832.94 and 198,998,057.43 is: 298,474,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,214,008.15 : 1,116,235,832.94 = 198,998,057.43 : x
  2. Step 2: Convert to fraction form
    744,214,008.15/1,116,235,832.94 = 198,998,057.43/x
  3. Step 3: Cross multiply
    744,214,008.15x = 1,116,235,832.94 × 198,998,057.43
  4. Step 4: Simplify right side
    744,214,008.15x = 222,128,762,388,818,016
  5. Step 5: Solve for x
    x = 222,128,762,388,818,016/744,214,008.15
  6. Step 6: Final answer
    x = 298,474,309.75

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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.