Home / 851,582,578.60-1,175,177,113.86-494,383,499.56

Finding the Fourth Proportional to 851,582,578.60, 1,175,177,113.86 and 494,383,499.56

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Solution

The fourth proportional to 851,582,578.60, 1,175,177,113.86 and 494,383,499.56 is: 682,245,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,582,578.60 : 1,175,177,113.86 = 494,383,499.56 : x
  2. Step 2: Convert to fraction form
    851,582,578.60/1,175,177,113.86 = 494,383,499.56/x
  3. Step 3: Cross multiply
    851,582,578.60x = 1,175,177,113.86 × 494,383,499.56
  4. Step 4: Simplify right side
    851,582,578.60x = 580,988,174,152,927,360
  5. Step 5: Solve for x
    x = 580,988,174,152,927,360/851,582,578.60
  6. Step 6: Final answer
    x = 682,245,255.78

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Double scale
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1.5x scale

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.