Home / 851,582,580.60-1,175,177,116.62-494,383,501.56

Finding the Fourth Proportional to 851,582,580.60, 1,175,177,116.62 and 494,383,501.56

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Solution

The fourth proportional to 851,582,580.60, 1,175,177,116.62 and 494,383,501.56 is: 682,245,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,582,580.60 : 1,175,177,116.62 = 494,383,501.56 : x
  2. Step 2: Convert to fraction form
    851,582,580.60/1,175,177,116.62 = 494,383,501.56/x
  3. Step 3: Cross multiply
    851,582,580.60x = 1,175,177,116.62 × 494,383,501.56
  4. Step 4: Simplify right side
    851,582,580.60x = 580,988,177,867,779,968
  5. Step 5: Solve for x
    x = 580,988,177,867,779,968/851,582,580.60
  6. Step 6: Final answer
    x = 682,245,258.54

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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.