Home / 558,321,215.46-769,064,348.76-425,932,370.46

Finding the Fourth Proportional to 558,321,215.46, 769,064,348.76 and 425,932,370.46

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Solution

The fourth proportional to 558,321,215.46, 769,064,348.76 and 425,932,370.46 is: 586,704,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,321,215.46 : 769,064,348.76 = 425,932,370.46 : x
  2. Step 2: Convert to fraction form
    558,321,215.46/769,064,348.76 = 425,932,370.46/x
  3. Step 3: Cross multiply
    558,321,215.46x = 769,064,348.76 × 425,932,370.46
  4. Step 4: Simplify right side
    558,321,215.46x = 327,569,401,103,622,912
  5. Step 5: Solve for x
    x = 327,569,401,103,622,912/558,321,215.46
  6. Step 6: Final answer
    x = 586,704,198.29

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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.