Home / 6,731,294,078.55-9,289,383,375.84-3,679,638,986.01

Finding the Fourth Proportional to 6,731,294,078.55, 9,289,383,375.84 and 3,679,638,986.01

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Solution

The fourth proportional to 6,731,294,078.55, 9,289,383,375.84 and 3,679,638,986.01 is: 5,078,009,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731,294,078.55 : 9,289,383,375.84 = 3,679,638,986.01 : x
  2. Step 2: Convert to fraction form
    6,731,294,078.55/9,289,383,375.84 = 3,679,638,986.01/x
  3. Step 3: Cross multiply
    6,731,294,078.55x = 9,289,383,375.84 × 3,679,638,986.01
  4. Step 4: Simplify right side
    6,731,294,078.55x = 34,181,577,225,734,049,792
  5. Step 5: Solve for x
    x = 34,181,577,225,734,049,792/6,731,294,078.55
  6. Step 6: Final answer
    x = 5,078,009,789.33

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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.