Home / 1,919,239,197.45-2,879,921,087.73-936,673,875.78

Finding the Fourth Proportional to 1,919,239,197.45, 2,879,921,087.73 and 936,673,875.78

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Solution

The fourth proportional to 1,919,239,197.45, 2,879,921,087.73 and 936,673,875.78 is: 1,405,529,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,239,197.45 : 2,879,921,087.73 = 936,673,875.78 : x
  2. Step 2: Convert to fraction form
    1,919,239,197.45/2,879,921,087.73 = 936,673,875.78/x
  3. Step 3: Cross multiply
    1,919,239,197.45x = 2,879,921,087.73 × 936,673,875.78
  4. Step 4: Simplify right side
    1,919,239,197.45x = 2,697,546,847,173,812,736
  5. Step 5: Solve for x
    x = 2,697,546,847,173,812,736/1,919,239,197.45
  6. Step 6: Final answer
    x = 1,405,529,259.07

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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.