Home / 7,281,912,719.50-10,049,066,198.67-3,940,411,036.30

Finding the Fourth Proportional to 7,281,912,719.50, 10,049,066,198.67 and 3,940,411,036.30

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Solution

The fourth proportional to 7,281,912,719.50, 10,049,066,198.67 and 3,940,411,036.30 is: 5,437,781,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,912,719.50 : 10,049,066,198.67 = 3,940,411,036.30 : x
  2. Step 2: Convert to fraction form
    7,281,912,719.50/10,049,066,198.67 = 3,940,411,036.30/x
  3. Step 3: Cross multiply
    7,281,912,719.50x = 10,049,066,198.67 × 3,940,411,036.30
  4. Step 4: Simplify right side
    7,281,912,719.50x = 39,597,451,353,748,561,920
  5. Step 5: Solve for x
    x = 39,597,451,353,748,561,920/7,281,912,719.50
  6. Step 6: Final answer
    x = 5,437,781,648.73

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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.