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Finding the Fourth Proportional to 220,308,908.40, 330,463,362.60 and 196,500,351.60

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Solution

The fourth proportional to 220,308,908.40, 330,463,362.60 and 196,500,351.60 is: 294,750,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,308,908.40 : 330,463,362.60 = 196,500,351.60 : x
  2. Step 2: Convert to fraction form
    220,308,908.40/330,463,362.60 = 196,500,351.60/x
  3. Step 3: Cross multiply
    220,308,908.40x = 330,463,362.60 × 196,500,351.60
  4. Step 4: Simplify right side
    220,308,908.40x = 64,936,166,941,818,296
  5. Step 5: Solve for x
    x = 64,936,166,941,818,296/220,308,908.40
  6. Step 6: Final answer
    x = 294,750,527.40

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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.