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Finding the Fourth Proportional to 1,664,736,628.54, 2,496,358,600.20 and 992,008,987

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Solution

The fourth proportional to 1,664,736,628.54, 2,496,358,600.20 and 992,008,987 is: 1,487,568,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,736,628.54 : 2,496,358,600.20 = 992,008,987 : x
  2. Step 2: Convert to fraction form
    1,664,736,628.54/2,496,358,600.20 = 992,008,987/x
  3. Step 3: Cross multiply
    1,664,736,628.54x = 2,496,358,600.20 × 992,008,987
  4. Step 4: Simplify right side
    1,664,736,628.54x = 2,476,410,166,173,139,968
  5. Step 5: Solve for x
    x = 2,476,410,166,173,139,968/1,664,736,628.54
  6. Step 6: Final answer
    x = 1,487,568,738.33

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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.