Home / 829,077,286.68-1,244,046,330.54-338,150,724.12

Finding the Fourth Proportional to 829,077,286.68, 1,244,046,330.54 and 338,150,724.12

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Solution

The fourth proportional to 829,077,286.68, 1,244,046,330.54 and 338,150,724.12 is: 507,401,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,077,286.68 : 1,244,046,330.54 = 338,150,724.12 : x
  2. Step 2: Convert to fraction form
    829,077,286.68/1,244,046,330.54 = 338,150,724.12/x
  3. Step 3: Cross multiply
    829,077,286.68x = 1,244,046,330.54 × 338,150,724.12
  4. Step 4: Simplify right side
    829,077,286.68x = 420,675,167,510,929,856
  5. Step 5: Solve for x
    x = 420,675,167,510,929,856/829,077,286.68
  6. Step 6: Final answer
    x = 507,401,631.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.