Home / 664,305,849.90-996,458,774.85-354,369,458.70

Finding the Fourth Proportional to 664,305,849.90, 996,458,774.85 and 354,369,458.70

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Solution

The fourth proportional to 664,305,849.90, 996,458,774.85 and 354,369,458.70 is: 531,554,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,305,849.90 : 996,458,774.85 = 354,369,458.70 : x
  2. Step 2: Convert to fraction form
    664,305,849.90/996,458,774.85 = 354,369,458.70/x
  3. Step 3: Cross multiply
    664,305,849.90x = 996,458,774.85 × 354,369,458.70
  4. Step 4: Simplify right side
    664,305,849.90x = 353,114,556,660,459,648
  5. Step 5: Solve for x
    x = 353,114,556,660,459,648/664,305,849.90
  6. Step 6: Final answer
    x = 531,554,188.05

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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.