Home / 860,273,612,286.80-1,187,171,545,645.20-469,640,176,036.40

Finding the Fourth Proportional to 860,273,612,286.80, 1,187,171,545,645.20 and 469,640,176,036.40

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Solution

The fourth proportional to 860,273,612,286.80, 1,187,171,545,645.20 and 469,640,176,036.40 is: 648,100,145,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,273,612,286.80 : 1,187,171,545,645.20 = 469,640,176,036.40 : x
  2. Step 2: Convert to fraction form
    860,273,612,286.80/1,187,171,545,645.20 = 469,640,176,036.40/x
  3. Step 3: Cross multiply
    860,273,612,286.80x = 1,187,171,545,645.20 × 469,640,176,036.40
  4. Step 4: Simplify right side
    860,273,612,286.80x = 557,543,453,682,216,791,441,408
  5. Step 5: Solve for x
    x = 557,543,453,682,216,791,441,408/860,273,612,286.80
  6. Step 6: Final answer
    x = 648,100,145,952.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.