Home / 2,912,647,580.08-4,020,546,720.18-1,909,129,817.90

Finding the Fourth Proportional to 2,912,647,580.08, 4,020,546,720.18 and 1,909,129,817.90

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Solution

The fourth proportional to 2,912,647,580.08, 4,020,546,720.18 and 1,909,129,817.90 is: 2,635,315,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,647,580.08 : 4,020,546,720.18 = 1,909,129,817.90 : x
  2. Step 2: Convert to fraction form
    2,912,647,580.08/4,020,546,720.18 = 1,909,129,817.90/x
  3. Step 3: Cross multiply
    2,912,647,580.08x = 4,020,546,720.18 × 1,909,129,817.90
  4. Step 4: Simplify right side
    2,912,647,580.08x = 7,675,745,627,755,685,888
  5. Step 5: Solve for x
    x = 7,675,745,627,755,685,888/2,912,647,580.08
  6. Step 6: Final answer
    x = 2,635,315,607.78

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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.