Home / 2,512,802,900.12-3,467,556,145.38-1,440,337,377.56

Finding the Fourth Proportional to 2,512,802,900.12, 3,467,556,145.38 and 1,440,337,377.56

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Solution

The fourth proportional to 2,512,802,900.12, 3,467,556,145.38 and 1,440,337,377.56 is: 1,987,601,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512,802,900.12 : 3,467,556,145.38 = 1,440,337,377.56 : x
  2. Step 2: Convert to fraction form
    2,512,802,900.12/3,467,556,145.38 = 1,440,337,377.56/x
  3. Step 3: Cross multiply
    2,512,802,900.12x = 3,467,556,145.38 × 1,440,337,377.56
  4. Step 4: Simplify right side
    2,512,802,900.12x = 4,994,450,724,978,691,072
  5. Step 5: Solve for x
    x = 4,994,450,724,978,691,072/2,512,802,900.12
  6. Step 6: Final answer
    x = 1,987,601,464.78

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Double scale
Find fourth proportional to 2,512,802,901.12, 3,467,556,146.76 and 1,440,337,378.56
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1.5x scale

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.