Home / 253,080,334.20-379,620,501.30-80,574,585.60

Finding the Fourth Proportional to 253,080,334.20, 379,620,501.30 and 80,574,585.60

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Solution

The fourth proportional to 253,080,334.20, 379,620,501.30 and 80,574,585.60 is: 120,861,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,080,334.20 : 379,620,501.30 = 80,574,585.60 : x
  2. Step 2: Convert to fraction form
    253,080,334.20/379,620,501.30 = 80,574,585.60/x
  3. Step 3: Cross multiply
    253,080,334.20x = 379,620,501.30 × 80,574,585.60
  4. Step 4: Simplify right side
    253,080,334.20x = 30,587,764,577,511,760
  5. Step 5: Solve for x
    x = 30,587,764,577,511,760/253,080,334.20
  6. Step 6: Final answer
    x = 120,861,878.40

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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.