Home / 1,919,239,217.78-2,879,921,118.04-936,673,896.11

Finding the Fourth Proportional to 1,919,239,217.78, 2,879,921,118.04 and 936,673,896.11

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Solution

The fourth proportional to 1,919,239,217.78, 2,879,921,118.04 and 936,673,896.11 is: 1,405,529,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,239,217.78 : 2,879,921,118.04 = 936,673,896.11 : x
  2. Step 2: Convert to fraction form
    1,919,239,217.78/2,879,921,118.04 = 936,673,896.11/x
  3. Step 3: Cross multiply
    1,919,239,217.78x = 2,879,921,118.04 × 936,673,896.11
  4. Step 4: Simplify right side
    1,919,239,217.78x = 2,697,546,934,107,252,736
  5. Step 5: Solve for x
    x = 2,697,546,934,107,252,736/1,919,239,217.78
  6. Step 6: Final answer
    x = 1,405,529,289.48

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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.