Home / 2,912,647,533.17-4,020,546,655.51-1,909,129,770.89

Finding the Fourth Proportional to 2,912,647,533.17, 4,020,546,655.51 and 1,909,129,770.89

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Solution

The fourth proportional to 2,912,647,533.17, 4,020,546,655.51 and 1,909,129,770.89 is: 2,635,315,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,647,533.17 : 4,020,546,655.51 = 1,909,129,770.89 : x
  2. Step 2: Convert to fraction form
    2,912,647,533.17/4,020,546,655.51 = 1,909,129,770.89/x
  3. Step 3: Cross multiply
    2,912,647,533.17x = 4,020,546,655.51 × 1,909,129,770.89
  4. Step 4: Simplify right side
    2,912,647,533.17x = 7,675,745,315,309,970,432
  5. Step 5: Solve for x
    x = 7,675,745,315,309,970,432/2,912,647,533.17
  6. Step 6: Final answer
    x = 2,635,315,542.95

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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.