Home / 7,281,912,717-10,049,066,195.22-3,940,411,033.80

Finding the Fourth Proportional to 7,281,912,717, 10,049,066,195.22 and 3,940,411,033.80

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Solution

The fourth proportional to 7,281,912,717, 10,049,066,195.22 and 3,940,411,033.80 is: 5,437,781,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,912,717 : 10,049,066,195.22 = 3,940,411,033.80 : x
  2. Step 2: Convert to fraction form
    7,281,912,717/10,049,066,195.22 = 3,940,411,033.80/x
  3. Step 3: Cross multiply
    7,281,912,717x = 10,049,066,195.22 × 3,940,411,033.80
  4. Step 4: Simplify right side
    7,281,912,717x = 39,597,451,315,031,474,176
  5. Step 5: Solve for x
    x = 39,597,451,315,031,474,176/7,281,912,717
  6. Step 6: Final answer
    x = 5,437,781,645.28

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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.