Home / 647,032,604.20-970,548,906.30-429,354,370.60

Finding the Fourth Proportional to 647,032,604.20, 970,548,906.30 and 429,354,370.60

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Solution

The fourth proportional to 647,032,604.20, 970,548,906.30 and 429,354,370.60 is: 644,031,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,032,604.20 : 970,548,906.30 = 429,354,370.60 : x
  2. Step 2: Convert to fraction form
    647,032,604.20/970,548,906.30 = 429,354,370.60/x
  3. Step 3: Cross multiply
    647,032,604.20x = 970,548,906.30 × 429,354,370.60
  4. Step 4: Simplify right side
    647,032,604.20x = 416,709,414,800,954,880
  5. Step 5: Solve for x
    x = 416,709,414,800,954,880/647,032,604.20
  6. Step 6: Final answer
    x = 644,031,555.90

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1.5x scale

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.