Home / 532,932,148.20-800,741,915.10-338,936,500.20

Finding the Fourth Proportional to 532,932,148.20, 800,741,915.10 and 338,936,500.20

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Solution

The fourth proportional to 532,932,148.20, 800,741,915.10 and 338,936,500.20 is: 509,259,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,932,148.20 : 800,741,915.10 = 338,936,500.20 : x
  2. Step 2: Convert to fraction form
    532,932,148.20/800,741,915.10 = 338,936,500.20/x
  3. Step 3: Cross multiply
    532,932,148.20x = 800,741,915.10 × 338,936,500.20
  4. Step 4: Simplify right side
    532,932,148.20x = 271,400,662,267,439,520
  5. Step 5: Solve for x
    x = 271,400,662,267,439,520/532,932,148.20
  6. Step 6: Final answer
    x = 509,259,317.88

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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.