Home / 262,228,293.20-393,342,439.80-80,451,851.60

Finding the Fourth Proportional to 262,228,293.20, 393,342,439.80 and 80,451,851.60

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Solution

The fourth proportional to 262,228,293.20, 393,342,439.80 and 80,451,851.60 is: 120,677,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,228,293.20 : 393,342,439.80 = 80,451,851.60 : x
  2. Step 2: Convert to fraction form
    262,228,293.20/393,342,439.80 = 80,451,851.60/x
  3. Step 3: Cross multiply
    262,228,293.20x = 393,342,439.80 × 80,451,851.60
  4. Step 4: Simplify right side
    262,228,293.20x = 31,645,127,594,771,532
  5. Step 5: Solve for x
    x = 31,645,127,594,771,532/262,228,293.20
  6. Step 6: Final answer
    x = 120,677,777.40

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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.