Home / 7,281,894,267.72-10,049,031,557.46-3,940,428,405.96

Finding the Fourth Proportional to 7,281,894,267.72, 10,049,031,557.46 and 3,940,428,405.96

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Solution

The fourth proportional to 7,281,894,267.72, 10,049,031,557.46 and 3,940,428,405.96 is: 5,437,800,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,894,267.72 : 10,049,031,557.46 = 3,940,428,405.96 : x
  2. Step 2: Convert to fraction form
    7,281,894,267.72/10,049,031,557.46 = 3,940,428,405.96/x
  3. Step 3: Cross multiply
    7,281,894,267.72x = 10,049,031,557.46 × 3,940,428,405.96
  4. Step 4: Simplify right side
    7,281,894,267.72x = 39,597,489,401,403,842,560
  5. Step 5: Solve for x
    x = 39,597,489,401,403,842,560/7,281,894,267.72
  6. Step 6: Final answer
    x = 5,437,800,652.63

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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.