Home / 664,305,845.40-996,458,768.10-354,369,454.20

Finding the Fourth Proportional to 664,305,845.40, 996,458,768.10 and 354,369,454.20

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Solution

The fourth proportional to 664,305,845.40, 996,458,768.10 and 354,369,454.20 is: 531,554,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,305,845.40 : 996,458,768.10 = 354,369,454.20 : x
  2. Step 2: Convert to fraction form
    664,305,845.40/996,458,768.10 = 354,369,454.20/x
  3. Step 3: Cross multiply
    664,305,845.40x = 996,458,768.10 × 354,369,454.20
  4. Step 4: Simplify right side
    664,305,845.40x = 353,114,549,784,401,344
  5. Step 5: Solve for x
    x = 353,114,549,784,401,344/664,305,845.40
  6. Step 6: Final answer
    x = 531,554,181.30

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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.