Home / 862,524,019.52-1,190,494,750.56-491,465,352.32

Finding the Fourth Proportional to 862,524,019.52, 1,190,494,750.56 and 491,465,352.32

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Solution

The fourth proportional to 862,524,019.52, 1,190,494,750.56 and 491,465,352.32 is: 678,342,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,524,019.52 : 1,190,494,750.56 = 491,465,352.32 : x
  2. Step 2: Convert to fraction form
    862,524,019.52/1,190,494,750.56 = 491,465,352.32/x
  3. Step 3: Cross multiply
    862,524,019.52x = 1,190,494,750.56 × 491,465,352.32
  4. Step 4: Simplify right side
    862,524,019.52x = 585,086,922,019,080,832
  5. Step 5: Solve for x
    x = 585,086,922,019,080,832/862,524,019.52
  6. Step 6: Final answer
    x = 678,342,757.74

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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.