Home / 2,188,974,255.14-3,020,787,385.92-1,185,393,554.30

Finding the Fourth Proportional to 2,188,974,255.14, 3,020,787,385.92 and 1,185,393,554.30

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Solution

The fourth proportional to 2,188,974,255.14, 3,020,787,385.92 and 1,185,393,554.30 is: 1,635,844,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,974,255.14 : 3,020,787,385.92 = 1,185,393,554.30 : x
  2. Step 2: Convert to fraction form
    2,188,974,255.14/3,020,787,385.92 = 1,185,393,554.30/x
  3. Step 3: Cross multiply
    2,188,974,255.14x = 3,020,787,385.92 × 1,185,393,554.30
  4. Step 4: Simplify right side
    2,188,974,255.14x = 3,580,821,896,180,314,624
  5. Step 5: Solve for x
    x = 3,580,821,896,180,314,624/2,188,974,255.14
  6. Step 6: Final answer
    x = 1,635,844,682.86

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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.