Home / 664,272,016.40-996,408,024.60-295,806,256.40

Finding the Fourth Proportional to 664,272,016.40, 996,408,024.60 and 295,806,256.40

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Solution

The fourth proportional to 664,272,016.40, 996,408,024.60 and 295,806,256.40 is: 443,709,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,272,016.40 : 996,408,024.60 = 295,806,256.40 : x
  2. Step 2: Convert to fraction form
    664,272,016.40/996,408,024.60 = 295,806,256.40/x
  3. Step 3: Cross multiply
    664,272,016.40x = 996,408,024.60 × 295,806,256.40
  4. Step 4: Simplify right side
    664,272,016.40x = 294,743,727,603,845,120
  5. Step 5: Solve for x
    x = 294,743,727,603,845,120/664,272,016.40
  6. Step 6: Final answer
    x = 443,709,384.60

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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.