Home / 481,342,568.91-664,875,846.42-398,047,163.78

Finding the Fourth Proportional to 481,342,568.91, 664,875,846.42 and 398,047,163.78

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Solution

The fourth proportional to 481,342,568.91, 664,875,846.42 and 398,047,163.78 is: 549,820,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,342,568.91 : 664,875,846.42 = 398,047,163.78 : x
  2. Step 2: Convert to fraction form
    481,342,568.91/664,875,846.42 = 398,047,163.78/x
  3. Step 3: Cross multiply
    481,342,568.91x = 664,875,846.42 × 398,047,163.78
  4. Step 4: Simplify right side
    481,342,568.91x = 264,651,944,929,740,800
  5. Step 5: Solve for x
    x = 264,651,944,929,740,800/481,342,568.91
  6. Step 6: Final answer
    x = 549,820,360.85

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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.