Home / 395,672,720.49-546,093,738.95-219,517,469.01

Finding the Fourth Proportional to 395,672,720.49, 546,093,738.95 and 219,517,469.01

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Solution

The fourth proportional to 395,672,720.49, 546,093,738.95 and 219,517,469.01 is: 302,970,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,672,720.49 : 546,093,738.95 = 219,517,469.01 : x
  2. Step 2: Convert to fraction form
    395,672,720.49/546,093,738.95 = 219,517,469.01/x
  3. Step 3: Cross multiply
    395,672,720.49x = 546,093,738.95 × 219,517,469.01
  4. Step 4: Simplify right side
    395,672,720.49x = 119,877,115,415,414,080
  5. Step 5: Solve for x
    x = 119,877,115,415,414,080/395,672,720.49
  6. Step 6: Final answer
    x = 302,970,382.36

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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.