Home / 5,103,015,908.70-7,648,477,245.45-2,155,289,828.70

Finding the Fourth Proportional to 5,103,015,908.70, 7,648,477,245.45 and 2,155,289,828.70

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Solution

The fourth proportional to 5,103,015,908.70, 7,648,477,245.45 and 2,155,289,828.70 is: 3,230,380,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,015,908.70 : 7,648,477,245.45 = 2,155,289,828.70 : x
  2. Step 2: Convert to fraction form
    5,103,015,908.70/7,648,477,245.45 = 2,155,289,828.70/x
  3. Step 3: Cross multiply
    5,103,015,908.70x = 7,648,477,245.45 × 2,155,289,828.70
  4. Step 4: Simplify right side
    5,103,015,908.70x = 16,484,685,212,161,775,616
  5. Step 5: Solve for x
    x = 16,484,685,212,161,775,616/5,103,015,908.70
  6. Step 6: Final answer
    x = 3,230,380,917.30

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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.