Home / 609,472,307.82-913,974,517.68-259,496,490.72

Finding the Fourth Proportional to 609,472,307.82, 913,974,517.68 and 259,496,490.72

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Solution

The fourth proportional to 609,472,307.82, 913,974,517.68 and 259,496,490.72 is: 389,145,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,472,307.82 : 913,974,517.68 = 259,496,490.72 : x
  2. Step 2: Convert to fraction form
    609,472,307.82/913,974,517.68 = 259,496,490.72/x
  3. Step 3: Cross multiply
    609,472,307.82x = 913,974,517.68 × 259,496,490.72
  4. Step 4: Simplify right side
    609,472,307.82x = 237,173,179,945,464,576
  5. Step 5: Solve for x
    x = 237,173,179,945,464,576/609,472,307.82
  6. Step 6: Final answer
    x = 389,145,129.16

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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.