Home / 3,996,593,609.88-5,515,364,504.70-2,188,075,324.44

Finding the Fourth Proportional to 3,996,593,609.88, 5,515,364,504.70 and 2,188,075,324.44

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Solution

The fourth proportional to 3,996,593,609.88, 5,515,364,504.70 and 2,188,075,324.44 is: 3,019,579,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,593,609.88 : 5,515,364,504.70 = 2,188,075,324.44 : x
  2. Step 2: Convert to fraction form
    3,996,593,609.88/5,515,364,504.70 = 2,188,075,324.44/x
  3. Step 3: Cross multiply
    3,996,593,609.88x = 5,515,364,504.70 × 2,188,075,324.44
  4. Step 4: Simplify right side
    3,996,593,609.88x = 12,068,032,978,026,311,680
  5. Step 5: Solve for x
    x = 12,068,032,978,026,311,680/3,996,593,609.88
  6. Step 6: Final answer
    x = 3,019,579,711.13

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1.5x scale

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.