Home / 3,927,523,960.56-5,420,097,864.48-2,143,491,911.85

Finding the Fourth Proportional to 3,927,523,960.56, 5,420,097,864.48 and 2,143,491,911.85

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Solution

The fourth proportional to 3,927,523,960.56, 5,420,097,864.48 and 2,143,491,911.85 is: 2,958,081,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,523,960.56 : 5,420,097,864.48 = 2,143,491,911.85 : x
  2. Step 2: Convert to fraction form
    3,927,523,960.56/5,420,097,864.48 = 2,143,491,911.85/x
  3. Step 3: Cross multiply
    3,927,523,960.56x = 5,420,097,864.48 × 2,143,491,911.85
  4. Step 4: Simplify right side
    3,927,523,960.56x = 11,617,935,933,948,336,128
  5. Step 5: Solve for x
    x = 11,617,935,933,948,336,128/3,927,523,960.56
  6. Step 6: Final answer
    x = 2,958,081,491.19

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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.