Home / 512,028,663-706,601,418.92-277,079,302.20

Finding the Fourth Proportional to 512,028,663, 706,601,418.92 and 277,079,302.20

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Solution

The fourth proportional to 512,028,663, 706,601,418.92 and 277,079,302.20 is: 382,370,445.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,028,663 : 706,601,418.92 = 277,079,302.20 : x
  2. Step 2: Convert to fraction form
    512,028,663/706,601,418.92 = 277,079,302.20/x
  3. Step 3: Cross multiply
    512,028,663x = 706,601,418.92 × 277,079,302.20
  4. Step 4: Simplify right side
    512,028,663x = 195,784,628,087,883,456
  5. Step 5: Solve for x
    x = 195,784,628,087,883,456/512,028,663
  6. Step 6: Final answer
    x = 382,370,445.71

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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.