Home / 752,188,042.58-1,038,019,495.86-422,163,181.58

Finding the Fourth Proportional to 752,188,042.58, 1,038,019,495.86 and 422,163,181.58

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Solution

The fourth proportional to 752,188,042.58, 1,038,019,495.86 and 422,163,181.58 is: 582,585,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,188,042.58 : 1,038,019,495.86 = 422,163,181.58 : x
  2. Step 2: Convert to fraction form
    752,188,042.58/1,038,019,495.86 = 422,163,181.58/x
  3. Step 3: Cross multiply
    752,188,042.58x = 1,038,019,495.86 × 422,163,181.58
  4. Step 4: Simplify right side
    752,188,042.58x = 438,213,612,909,135,104
  5. Step 5: Solve for x
    x = 438,213,612,909,135,104/752,188,042.58
  6. Step 6: Final answer
    x = 582,585,188.95

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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.