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Finding the Fourth Proportional to 577,368,112.20, 866,052,168.30 and 565,888,986.60

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Solution

The fourth proportional to 577,368,112.20, 866,052,168.30 and 565,888,986.60 is: 848,833,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,112.20 : 866,052,168.30 = 565,888,986.60 : x
  2. Step 2: Convert to fraction form
    577,368,112.20/866,052,168.30 = 565,888,986.60/x
  3. Step 3: Cross multiply
    577,368,112.20x = 866,052,168.30 × 565,888,986.60
  4. Step 4: Simplify right side
    577,368,112.20x = 490,089,383,862,019,648
  5. Step 5: Solve for x
    x = 490,089,383,862,019,648/577,368,112.20
  6. Step 6: Final answer
    x = 848,833,479.90

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Similar ratio
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1.5x scale

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.