Home / 664,272,021.90-996,408,032.85-295,806,261.90

Finding the Fourth Proportional to 664,272,021.90, 996,408,032.85 and 295,806,261.90

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Solution

The fourth proportional to 664,272,021.90, 996,408,032.85 and 295,806,261.90 is: 443,709,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,272,021.90 : 996,408,032.85 = 295,806,261.90 : x
  2. Step 2: Convert to fraction form
    664,272,021.90/996,408,032.85 = 295,806,261.90/x
  3. Step 3: Cross multiply
    664,272,021.90x = 996,408,032.85 × 295,806,261.90
  4. Step 4: Simplify right side
    664,272,021.90x = 294,743,735,524,490,880
  5. Step 5: Solve for x
    x = 294,743,735,524,490,880/664,272,021.90
  6. Step 6: Final answer
    x = 443,709,392.85

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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.