Home / 262,440,276.80-393,660,415.20-176,443,937.60

Finding the Fourth Proportional to 262,440,276.80, 393,660,415.20 and 176,443,937.60

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Solution

The fourth proportional to 262,440,276.80, 393,660,415.20 and 176,443,937.60 is: 264,665,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,276.80 : 393,660,415.20 = 176,443,937.60 : x
  2. Step 2: Convert to fraction form
    262,440,276.80/393,660,415.20 = 176,443,937.60/x
  3. Step 3: Cross multiply
    262,440,276.80x = 393,660,415.20 × 176,443,937.60
  4. Step 4: Simplify right side
    262,440,276.80x = 69,458,993,735,138,888
  5. Step 5: Solve for x
    x = 69,458,993,735,138,888/262,440,276.80
  6. Step 6: Final answer
    x = 264,665,906.40

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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.