Home / 380,250,364.80-570,308,122.80-172,940,215.44

Finding the Fourth Proportional to 380,250,364.80, 570,308,122.80 and 172,940,215.44

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Solution

The fourth proportional to 380,250,364.80, 570,308,122.80 and 172,940,215.44 is: 259,379,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,250,364.80 : 570,308,122.80 = 172,940,215.44 : x
  2. Step 2: Convert to fraction form
    380,250,364.80/570,308,122.80 = 172,940,215.44/x
  3. Step 3: Cross multiply
    380,250,364.80x = 570,308,122.80 × 172,940,215.44
  4. Step 4: Simplify right side
    380,250,364.80x = 98,629,209,624,213,968
  5. Step 5: Solve for x
    x = 98,629,209,624,213,968/380,250,364.80
  6. Step 6: Final answer
    x = 259,379,658.13

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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.