Home / 272,945,850.40-409,642,724.40-263,987,898.40

Finding the Fourth Proportional to 272,945,850.40, 409,642,724.40 and 263,987,898.40

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Solution

The fourth proportional to 272,945,850.40, 409,642,724.40 and 263,987,898.40 is: 396,198,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,945,850.40 : 409,642,724.40 = 263,987,898.40 : x
  2. Step 2: Convert to fraction form
    272,945,850.40/409,642,724.40 = 263,987,898.40/x
  3. Step 3: Cross multiply
    272,945,850.40x = 409,642,724.40 × 263,987,898.40
  4. Step 4: Simplify right side
    272,945,850.40x = 108,140,721,909,206,400
  5. Step 5: Solve for x
    x = 108,140,721,909,206,400/272,945,850.40
  6. Step 6: Final answer
    x = 396,198,446.51

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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.