Home / 2,912,647,577.23-4,020,546,716.21-1,909,129,814.75

Finding the Fourth Proportional to 2,912,647,577.23, 4,020,546,716.21 and 1,909,129,814.75

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Solution

The fourth proportional to 2,912,647,577.23, 4,020,546,716.21 and 1,909,129,814.75 is: 2,635,315,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,647,577.23 : 4,020,546,716.21 = 1,909,129,814.75 : x
  2. Step 2: Convert to fraction form
    2,912,647,577.23/4,020,546,716.21 = 1,909,129,814.75/x
  3. Step 3: Cross multiply
    2,912,647,577.23x = 4,020,546,716.21 × 1,909,129,814.75
  4. Step 4: Simplify right side
    2,912,647,577.23x = 7,675,745,607,511,717,888
  5. Step 5: Solve for x
    x = 7,675,745,607,511,717,888/2,912,647,577.23
  6. Step 6: Final answer
    x = 2,635,315,603.41

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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.