Home / 376,188,940.17-519,314,471.31-225,552,881.38

Finding the Fourth Proportional to 376,188,940.17, 519,314,471.31 and 225,552,881.38

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Solution

The fourth proportional to 376,188,940.17, 519,314,471.31 and 225,552,881.38 is: 311,367,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,188,940.17 : 519,314,471.31 = 225,552,881.38 : x
  2. Step 2: Convert to fraction form
    376,188,940.17/519,314,471.31 = 225,552,881.38/x
  3. Step 3: Cross multiply
    376,188,940.17x = 519,314,471.31 × 225,552,881.38
  4. Step 4: Simplify right side
    376,188,940.17x = 117,132,875,345,394,128
  5. Step 5: Solve for x
    x = 117,132,875,345,394,128/376,188,940.17
  6. Step 6: Final answer
    x = 311,367,142.51

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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.