Home / 351,637,419-485,259,642.54-197,112,747

Finding the Fourth Proportional to 351,637,419, 485,259,642.54 and 197,112,747

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Solution

The fourth proportional to 351,637,419, 485,259,642.54 and 197,112,747 is: 272,015,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,637,419 : 485,259,642.54 = 197,112,747 : x
  2. Step 2: Convert to fraction form
    351,637,419/485,259,642.54 = 197,112,747/x
  3. Step 3: Cross multiply
    351,637,419x = 485,259,642.54 × 197,112,747
  4. Step 4: Simplify right side
    351,637,419x = 95,650,861,149,297,456
  5. Step 5: Solve for x
    x = 95,650,861,149,297,456/351,637,419
  6. Step 6: Final answer
    x = 272,015,593.28

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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.