Home / 383,268,619.20-574,986,909.60-124,439,793.60

Finding the Fourth Proportional to 383,268,619.20, 574,986,909.60 and 124,439,793.60

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Solution

The fourth proportional to 383,268,619.20, 574,986,909.60 and 124,439,793.60 is: 186,686,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,268,619.20 : 574,986,909.60 = 124,439,793.60 : x
  2. Step 2: Convert to fraction form
    383,268,619.20/574,986,909.60 = 124,439,793.60/x
  3. Step 3: Cross multiply
    383,268,619.20x = 574,986,909.60 × 124,439,793.60
  4. Step 4: Simplify right side
    383,268,619.20x = 71,551,252,353,325,856
  5. Step 5: Solve for x
    x = 71,551,252,353,325,856/383,268,619.20
  6. Step 6: Final answer
    x = 186,686,957.32

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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.