Home / 664,272,015.40-996,408,023.10-295,806,255.40

Finding the Fourth Proportional to 664,272,015.40, 996,408,023.10 and 295,806,255.40

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Solution

The fourth proportional to 664,272,015.40, 996,408,023.10 and 295,806,255.40 is: 443,709,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,272,015.40 : 996,408,023.10 = 295,806,255.40 : x
  2. Step 2: Convert to fraction form
    664,272,015.40/996,408,023.10 = 295,806,255.40/x
  3. Step 3: Cross multiply
    664,272,015.40x = 996,408,023.10 × 295,806,255.40
  4. Step 4: Simplify right side
    664,272,015.40x = 294,743,726,163,727,680
  5. Step 5: Solve for x
    x = 294,743,726,163,727,680/664,272,015.40
  6. Step 6: Final answer
    x = 443,709,383.10

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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.