Home / 5,103,015,930.20-7,648,477,277.70-2,155,289,850.20

Finding the Fourth Proportional to 5,103,015,930.20, 7,648,477,277.70 and 2,155,289,850.20

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Solution

The fourth proportional to 5,103,015,930.20, 7,648,477,277.70 and 2,155,289,850.20 is: 3,230,380,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,015,930.20 : 7,648,477,277.70 = 2,155,289,850.20 : x
  2. Step 2: Convert to fraction form
    5,103,015,930.20/7,648,477,277.70 = 2,155,289,850.20/x
  3. Step 3: Cross multiply
    5,103,015,930.20x = 7,648,477,277.70 × 2,155,289,850.20
  4. Step 4: Simplify right side
    5,103,015,930.20x = 16,484,685,446,112,135,168
  5. Step 5: Solve for x
    x = 16,484,685,446,112,135,168/5,103,015,930.20
  6. Step 6: Final answer
    x = 3,230,380,949.54

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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.