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Finding the Fourth Proportional to 1,443,594,226.02, 1,992,106,687.77 and 783,530,332.26

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Solution

The fourth proportional to 1,443,594,226.02, 1,992,106,687.77 and 783,530,332.26 is: 1,081,242,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,594,226.02 : 1,992,106,687.77 = 783,530,332.26 : x
  2. Step 2: Convert to fraction form
    1,443,594,226.02/1,992,106,687.77 = 783,530,332.26/x
  3. Step 3: Cross multiply
    1,443,594,226.02x = 1,992,106,687.77 × 783,530,332.26
  4. Step 4: Simplify right side
    1,443,594,226.02x = 1,560,876,014,965,796,096
  5. Step 5: Solve for x
    x = 1,560,876,014,965,796,096/1,443,594,226.02
  6. Step 6: Final answer
    x = 1,081,242,905.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.