Home / 489,940,136.80-734,910,205.20-166,824,008.80

Finding the Fourth Proportional to 489,940,136.80, 734,910,205.20 and 166,824,008.80

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Solution

The fourth proportional to 489,940,136.80, 734,910,205.20 and 166,824,008.80 is: 250,236,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,940,136.80 : 734,910,205.20 = 166,824,008.80 : x
  2. Step 2: Convert to fraction form
    489,940,136.80/734,910,205.20 = 166,824,008.80/x
  3. Step 3: Cross multiply
    489,940,136.80x = 734,910,205.20 × 166,824,008.80
  4. Step 4: Simplify right side
    489,940,136.80x = 122,600,666,539,494,624
  5. Step 5: Solve for x
    x = 122,600,666,539,494,624/489,940,136.80
  6. Step 6: Final answer
    x = 250,236,013.20

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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.