Home / 2,145,310,450.74-3,216,229,897.95-670,691,583.54

Finding the Fourth Proportional to 2,145,310,450.74, 3,216,229,897.95 and 670,691,583.54

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Solution

The fourth proportional to 2,145,310,450.74, 3,216,229,897.95 and 670,691,583.54 is: 1,005,494,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,310,450.74 : 3,216,229,897.95 = 670,691,583.54 : x
  2. Step 2: Convert to fraction form
    2,145,310,450.74/3,216,229,897.95 = 670,691,583.54/x
  3. Step 3: Cross multiply
    2,145,310,450.74x = 3,216,229,897.95 × 670,691,583.54
  4. Step 4: Simplify right side
    2,145,310,450.74x = 2,157,098,323,284,777,728
  5. Step 5: Solve for x
    x = 2,157,098,323,284,777,728/2,145,310,450.74
  6. Step 6: Final answer
    x = 1,005,494,716.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.