Home / 300,950,201,644.40-415,311,346,061.25-165,619,382,080.58

Finding the Fourth Proportional to 300,950,201,644.40, 415,311,346,061.25 and 165,619,382,080.58

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Solution

The fourth proportional to 300,950,201,644.40, 415,311,346,061.25 and 165,619,382,080.58 is: 228,554,784,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,950,201,644.40 : 415,311,346,061.25 = 165,619,382,080.58 : x
  2. Step 2: Convert to fraction form
    300,950,201,644.40/415,311,346,061.25 = 165,619,382,080.58/x
  3. Step 3: Cross multiply
    300,950,201,644.40x = 415,311,346,061.25 × 165,619,382,080.58
  4. Step 4: Simplify right side
    300,950,201,644.40x = 68,783,608,505,718,141,878,272
  5. Step 5: Solve for x
    x = 68,783,608,505,718,141,878,272/300,950,201,644.40
  6. Step 6: Final answer
    x = 228,554,784,578.59

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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.