Home / 860,273,612,286.30-1,187,171,545,644.50-469,640,176,035.90

Finding the Fourth Proportional to 860,273,612,286.30, 1,187,171,545,644.50 and 469,640,176,035.90

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Solution

The fourth proportional to 860,273,612,286.30, 1,187,171,545,644.50 and 469,640,176,035.90 is: 648,100,145,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,273,612,286.30 : 1,187,171,545,644.50 = 469,640,176,035.90 : x
  2. Step 2: Convert to fraction form
    860,273,612,286.30/1,187,171,545,644.50 = 469,640,176,035.90/x
  3. Step 3: Cross multiply
    860,273,612,286.30x = 1,187,171,545,644.50 × 469,640,176,035.90
  4. Step 4: Simplify right side
    860,273,612,286.30x = 557,543,453,681,294,514,323,456
  5. Step 5: Solve for x
    x = 557,543,453,681,294,514,323,456/860,273,612,286.30
  6. Step 6: Final answer
    x = 648,100,145,951.87

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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.