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Finding the Fourth Proportional to 1,862,784,276.80, 2,793,784,504.80 and 941,794,836.80

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Solution

The fourth proportional to 1,862,784,276.80, 2,793,784,504.80 and 941,794,836.80 is: 1,412,494,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,784,276.80 : 2,793,784,504.80 = 941,794,836.80 : x
  2. Step 2: Convert to fraction form
    1,862,784,276.80/2,793,784,504.80 = 941,794,836.80/x
  3. Step 3: Cross multiply
    1,862,784,276.80x = 2,793,784,504.80 × 941,794,836.80
  4. Step 4: Simplify right side
    1,862,784,276.80x = 2,631,171,821,752,484,864
  5. Step 5: Solve for x
    x = 2,631,171,821,752,484,864/1,862,784,276.80
  6. Step 6: Final answer
    x = 1,412,494,111.38

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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.