Home / 3,432,254,993.28-5,148,430,319.52-978,591,896.28

Finding the Fourth Proportional to 3,432,254,993.28, 5,148,430,319.52 and 978,591,896.28

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Solution

The fourth proportional to 3,432,254,993.28, 5,148,430,319.52 and 978,591,896.28 is: 1,467,901,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,254,993.28 : 5,148,430,319.52 = 978,591,896.28 : x
  2. Step 2: Convert to fraction form
    3,432,254,993.28/5,148,430,319.52 = 978,591,896.28/x
  3. Step 3: Cross multiply
    3,432,254,993.28x = 5,148,430,319.52 × 978,591,896.28
  4. Step 4: Simplify right side
    3,432,254,993.28x = 5,038,212,189,244,523,520
  5. Step 5: Solve for x
    x = 5,038,212,189,244,523,520/3,432,254,993.28
  6. Step 6: Final answer
    x = 1,467,901,481.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.