Home / 722,720,551.82-1,084,078,650.44-205,151,430.38

Finding the Fourth Proportional to 722,720,551.82, 1,084,078,650.44 and 205,151,430.38

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Solution

The fourth proportional to 722,720,551.82, 1,084,078,650.44 and 205,151,430.38 is: 307,726,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,720,551.82 : 1,084,078,650.44 = 205,151,430.38 : x
  2. Step 2: Convert to fraction form
    722,720,551.82/1,084,078,650.44 = 205,151,430.38/x
  3. Step 3: Cross multiply
    722,720,551.82x = 1,084,078,650.44 × 205,151,430.38
  4. Step 4: Simplify right side
    722,720,551.82x = 222,400,285,777,278,528
  5. Step 5: Solve for x
    x = 222,400,285,777,278,528/722,720,551.82
  6. Step 6: Final answer
    x = 307,726,527.52

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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.