Home / 508,271,198.22-762,729,315.66-217,140,510.96

Finding the Fourth Proportional to 508,271,198.22, 762,729,315.66 and 217,140,510.96

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Solution

The fourth proportional to 508,271,198.22, 762,729,315.66 and 217,140,510.96 is: 325,848,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,271,198.22 : 762,729,315.66 = 217,140,510.96 : x
  2. Step 2: Convert to fraction form
    508,271,198.22/762,729,315.66 = 217,140,510.96/x
  3. Step 3: Cross multiply
    508,271,198.22x = 762,729,315.66 × 217,140,510.96
  4. Step 4: Simplify right side
    508,271,198.22x = 165,619,433,326,583,520
  5. Step 5: Solve for x
    x = 165,619,433,326,583,520/508,271,198.22
  6. Step 6: Final answer
    x = 325,848,550.75

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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.