Home / 354,894,976.40-531,866,610.78-276,206,495.22

Finding the Fourth Proportional to 354,894,976.40, 531,866,610.78 and 276,206,495.22

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Solution

The fourth proportional to 354,894,976.40, 531,866,610.78 and 276,206,495.22 is: 413,939,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,894,976.40 : 531,866,610.78 = 276,206,495.22 : x
  2. Step 2: Convert to fraction form
    354,894,976.40/531,866,610.78 = 276,206,495.22/x
  3. Step 3: Cross multiply
    354,894,976.40x = 531,866,610.78 × 276,206,495.22
  4. Step 4: Simplify right side
    354,894,976.40x = 146,905,012,486,613,952
  5. Step 5: Solve for x
    x = 146,905,012,486,613,952/354,894,976.40
  6. Step 6: Final answer
    x = 413,939,396.88

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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.