Home / 489,435,355.75-675,437,105.67-274,891,808.33

Finding the Fourth Proportional to 489,435,355.75, 675,437,105.67 and 274,891,808.33

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Solution

The fourth proportional to 489,435,355.75, 675,437,105.67 and 274,891,808.33 is: 379,359,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,435,355.75 : 675,437,105.67 = 274,891,808.33 : x
  2. Step 2: Convert to fraction form
    489,435,355.75/675,437,105.67 = 274,891,808.33/x
  3. Step 3: Cross multiply
    489,435,355.75x = 675,437,105.67 × 274,891,808.33
  4. Step 4: Simplify right side
    489,435,355.75x = 185,672,127,391,255,296
  5. Step 5: Solve for x
    x = 185,672,127,391,255,296/489,435,355.75
  6. Step 6: Final answer
    x = 379,359,858.68

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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.