Home / 393,303,614.80-589,955,422.20-354,336,523.60

Finding the Fourth Proportional to 393,303,614.80, 589,955,422.20 and 354,336,523.60

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Solution

The fourth proportional to 393,303,614.80, 589,955,422.20 and 354,336,523.60 is: 531,504,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,303,614.80 : 589,955,422.20 = 354,336,523.60 : x
  2. Step 2: Convert to fraction form
    393,303,614.80/589,955,422.20 = 354,336,523.60/x
  3. Step 3: Cross multiply
    393,303,614.80x = 589,955,422.20 × 354,336,523.60
  4. Step 4: Simplify right side
    393,303,614.80x = 209,042,753,381,318,304
  5. Step 5: Solve for x
    x = 209,042,753,381,318,304/393,303,614.80
  6. Step 6: Final answer
    x = 531,504,785.40

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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.