Home / 2,912,647,582.08-4,020,546,722.94-1,909,129,819.90

Finding the Fourth Proportional to 2,912,647,582.08, 4,020,546,722.94 and 1,909,129,819.90

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Solution

The fourth proportional to 2,912,647,582.08, 4,020,546,722.94 and 1,909,129,819.90 is: 2,635,315,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,647,582.08 : 4,020,546,722.94 = 1,909,129,819.90 : x
  2. Step 2: Convert to fraction form
    2,912,647,582.08/4,020,546,722.94 = 1,909,129,819.90/x
  3. Step 3: Cross multiply
    2,912,647,582.08x = 4,020,546,722.94 × 1,909,129,819.90
  4. Step 4: Simplify right side
    2,912,647,582.08x = 7,675,745,641,065,977,856
  5. Step 5: Solve for x
    x = 7,675,745,641,065,977,856/2,912,647,582.08
  6. Step 6: Final answer
    x = 2,635,315,610.54

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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.