Home / 508,271,187.78-762,729,299.85-217,140,500.34

Finding the Fourth Proportional to 508,271,187.78, 762,729,299.85 and 217,140,500.34

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Solution

The fourth proportional to 508,271,187.78, 762,729,299.85 and 217,140,500.34 is: 325,848,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,271,187.78 : 762,729,299.85 = 217,140,500.34 : x
  2. Step 2: Convert to fraction form
    508,271,187.78/762,729,299.85 = 217,140,500.34/x
  3. Step 3: Cross multiply
    508,271,187.78x = 762,729,299.85 × 217,140,500.34
  4. Step 4: Simplify right side
    508,271,187.78x = 165,619,421,793,406,880
  5. Step 5: Solve for x
    x = 165,619,421,793,406,880/508,271,187.78
  6. Step 6: Final answer
    x = 325,848,534.75

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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.