Home / 508,271,188.28-762,729,300.60-217,140,500.84

Finding the Fourth Proportional to 508,271,188.28, 762,729,300.60 and 217,140,500.84

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Solution

The fourth proportional to 508,271,188.28, 762,729,300.60 and 217,140,500.84 is: 325,848,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,271,188.28 : 762,729,300.60 = 217,140,500.84 : x
  2. Step 2: Convert to fraction form
    508,271,188.28/762,729,300.60 = 217,140,500.84/x
  3. Step 3: Cross multiply
    508,271,188.28x = 762,729,300.60 × 217,140,500.84
  4. Step 4: Simplify right side
    508,271,188.28x = 165,619,422,337,626,912
  5. Step 5: Solve for x
    x = 165,619,422,337,626,912/508,271,188.28
  6. Step 6: Final answer
    x = 325,848,535.50

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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.