Home / 776,126,791.85-1,071,049,524.17-423,702,782.56

Finding the Fourth Proportional to 776,126,791.85, 1,071,049,524.17 and 423,702,782.56

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Solution

The fourth proportional to 776,126,791.85, 1,071,049,524.17 and 423,702,782.56 is: 584,706,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,126,791.85 : 1,071,049,524.17 = 423,702,782.56 : x
  2. Step 2: Convert to fraction form
    776,126,791.85/1,071,049,524.17 = 423,702,782.56/x
  3. Step 3: Cross multiply
    776,126,791.85x = 1,071,049,524.17 × 423,702,782.56
  4. Step 4: Simplify right side
    776,126,791.85x = 453,806,663,647,195,456
  5. Step 5: Solve for x
    x = 453,806,663,647,195,456/776,126,791.85
  6. Step 6: Final answer
    x = 584,706,865.44

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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.