Home / 653,184,103.20-979,860,135.60-325,826,944.80

Finding the Fourth Proportional to 653,184,103.20, 979,860,135.60 and 325,826,944.80

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Solution

The fourth proportional to 653,184,103.20, 979,860,135.60 and 325,826,944.80 is: 488,782,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,184,103.20 : 979,860,135.60 = 325,826,944.80 : x
  2. Step 2: Convert to fraction form
    653,184,103.20/979,860,135.60 = 325,826,944.80/x
  3. Step 3: Cross multiply
    653,184,103.20x = 979,860,135.60 × 325,826,944.80
  4. Step 4: Simplify right side
    653,184,103.20x = 319,264,834,313,861,760
  5. Step 5: Solve for x
    x = 319,264,834,313,861,760/653,184,103.20
  6. Step 6: Final answer
    x = 488,782,309.23

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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.