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Finding the Fourth Proportional to 586,839,174.40, 879,698,889.60 and 218,275,436.80

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Solution

The fourth proportional to 586,839,174.40, 879,698,889.60 and 218,275,436.80 is: 327,204,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,839,174.40 : 879,698,889.60 = 218,275,436.80 : x
  2. Step 2: Convert to fraction form
    586,839,174.40/879,698,889.60 = 218,275,436.80/x
  3. Step 3: Cross multiply
    586,839,174.40x = 879,698,889.60 × 218,275,436.80
  4. Step 4: Simplify right side
    586,839,174.40x = 192,016,659,379,915,008
  5. Step 5: Solve for x
    x = 192,016,659,379,915,008/586,839,174.40
  6. Step 6: Final answer
    x = 327,204,910.23

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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.