Home / 744,288,544.67-1,027,099,418.94-409,757,727.38

Finding the Fourth Proportional to 744,288,544.67, 1,027,099,418.94 and 409,757,727.38

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Solution

The fourth proportional to 744,288,544.67, 1,027,099,418.94 and 409,757,727.38 is: 565,455,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,288,544.67 : 1,027,099,418.94 = 409,757,727.38 : x
  2. Step 2: Convert to fraction form
    744,288,544.67/1,027,099,418.94 = 409,757,727.38/x
  3. Step 3: Cross multiply
    744,288,544.67x = 1,027,099,418.94 × 409,757,727.38
  4. Step 4: Simplify right side
    744,288,544.67x = 420,861,923,693,037,440
  5. Step 5: Solve for x
    x = 420,861,923,693,037,440/744,288,544.67
  6. Step 6: Final answer
    x = 565,455,328.73

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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.