Home / 5,220,879,942.62-7,204,815,098.05-2,842,035,939.03

Finding the Fourth Proportional to 5,220,879,942.62, 7,204,815,098.05 and 2,842,035,939.03

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Solution

The fourth proportional to 5,220,879,942.62, 7,204,815,098.05 and 2,842,035,939.03 is: 3,922,010,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,879,942.62 : 7,204,815,098.05 = 2,842,035,939.03 : x
  2. Step 2: Convert to fraction form
    5,220,879,942.62/7,204,815,098.05 = 2,842,035,939.03/x
  3. Step 3: Cross multiply
    5,220,879,942.62x = 7,204,815,098.05 × 2,842,035,939.03
  4. Step 4: Simplify right side
    5,220,879,942.62x = 20,476,343,442,709,843,968
  5. Step 5: Solve for x
    x = 20,476,343,442,709,843,968/5,220,879,942.62
  6. Step 6: Final answer
    x = 3,922,010,018.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.