Home / 1,919,239,220.78-2,879,921,122.54-936,673,899.11

Finding the Fourth Proportional to 1,919,239,220.78, 2,879,921,122.54 and 936,673,899.11

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Solution

The fourth proportional to 1,919,239,220.78, 2,879,921,122.54 and 936,673,899.11 is: 1,405,529,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,239,220.78 : 2,879,921,122.54 = 936,673,899.11 : x
  2. Step 2: Convert to fraction form
    1,919,239,220.78/2,879,921,122.54 = 936,673,899.11/x
  3. Step 3: Cross multiply
    1,919,239,220.78x = 2,879,921,122.54 × 936,673,899.11
  4. Step 4: Simplify right side
    1,919,239,220.78x = 2,697,546,946,978,789,888
  5. Step 5: Solve for x
    x = 2,697,546,946,978,789,888/1,919,239,220.78
  6. Step 6: Final answer
    x = 1,405,529,293.99

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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.