Home / 198,287,309,297.65-297,489,319,136.82-63,979,279,824.80

Finding the Fourth Proportional to 198,287,309,297.65, 297,489,319,136.82 and 63,979,279,824.80

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Solution

The fourth proportional to 198,287,309,297.65, 297,489,319,136.82 and 63,979,279,824.80 is: 95,987,748,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,287,309,297.65 : 297,489,319,136.82 = 63,979,279,824.80 : x
  2. Step 2: Convert to fraction form
    198,287,309,297.65/297,489,319,136.82 = 63,979,279,824.80/x
  3. Step 3: Cross multiply
    198,287,309,297.65x = 297,489,319,136.82 × 63,979,279,824.80
  4. Step 4: Simplify right side
    198,287,309,297.65x = 19,033,152,393,944,728,862,720
  5. Step 5: Solve for x
    x = 19,033,152,393,944,728,862,720/198,287,309,297.65
  6. Step 6: Final answer
    x = 95,987,748,592.49

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1.5x scale

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.