Home / 336,986,989.20-505,648,445.40-191,532,243.60

Finding the Fourth Proportional to 336,986,989.20, 505,648,445.40 and 191,532,243.60

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Solution

The fourth proportional to 336,986,989.20, 505,648,445.40 and 191,532,243.60 is: 287,393,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,986,989.20 : 505,648,445.40 = 191,532,243.60 : x
  2. Step 2: Convert to fraction form
    336,986,989.20/505,648,445.40 = 191,532,243.60/x
  3. Step 3: Cross multiply
    336,986,989.20x = 505,648,445.40 × 191,532,243.60
  4. Step 4: Simplify right side
    336,986,989.20x = 96,847,981,220,314,096
  5. Step 5: Solve for x
    x = 96,847,981,220,314,096/336,986,989.20
  6. Step 6: Final answer
    x = 287,393,829.21

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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.