Home / 388,448,549.48-582,721,310.46-152,067,539.28

Finding the Fourth Proportional to 388,448,549.48, 582,721,310.46 and 152,067,539.28

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Solution

The fourth proportional to 388,448,549.48, 582,721,310.46 and 152,067,539.28 is: 228,120,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,448,549.48 : 582,721,310.46 = 152,067,539.28 : x
  2. Step 2: Convert to fraction form
    388,448,549.48/582,721,310.46 = 152,067,539.28/x
  3. Step 3: Cross multiply
    388,448,549.48x = 582,721,310.46 × 152,067,539.28
  4. Step 4: Simplify right side
    388,448,549.48x = 88,612,995,767,669,136
  5. Step 5: Solve for x
    x = 88,612,995,767,669,136/388,448,549.48
  6. Step 6: Final answer
    x = 228,120,290.03

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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.