Home / 821,382,737.89-1,133,563,791.57-464,026,572.25

Finding the Fourth Proportional to 821,382,737.89, 1,133,563,791.57 and 464,026,572.25

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Solution

The fourth proportional to 821,382,737.89, 1,133,563,791.57 and 464,026,572.25 is: 640,388,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,382,737.89 : 1,133,563,791.57 = 464,026,572.25 : x
  2. Step 2: Convert to fraction form
    821,382,737.89/1,133,563,791.57 = 464,026,572.25/x
  3. Step 3: Cross multiply
    821,382,737.89x = 1,133,563,791.57 × 464,026,572.25
  4. Step 4: Simplify right side
    821,382,737.89x = 526,003,720,629,475,456
  5. Step 5: Solve for x
    x = 526,003,720,629,475,456/821,382,737.89
  6. Step 6: Final answer
    x = 640,388,087.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.