Home / 743,309,074.75-1,025,476,217.26-425,599,538.80

Finding the Fourth Proportional to 743,309,074.75, 1,025,476,217.26 and 425,599,538.80

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Solution

The fourth proportional to 743,309,074.75, 1,025,476,217.26 and 425,599,538.80 is: 587,161,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,309,074.75 : 1,025,476,217.26 = 425,599,538.80 : x
  2. Step 2: Convert to fraction form
    743,309,074.75/1,025,476,217.26 = 425,599,538.80/x
  3. Step 3: Cross multiply
    743,309,074.75x = 1,025,476,217.26 × 425,599,538.80
  4. Step 4: Simplify right side
    743,309,074.75x = 436,442,205,114,096,640
  5. Step 5: Solve for x
    x = 436,442,205,114,096,640/743,309,074.75
  6. Step 6: Final answer
    x = 587,161,141.90

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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.