Home / 1,105,120,664.93-1,656,863,778.58-668,324,241.70

Finding the Fourth Proportional to 1,105,120,664.93, 1,656,863,778.58 and 668,324,241.70

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Solution

The fourth proportional to 1,105,120,664.93, 1,656,863,778.58 and 668,324,241.70 is: 1,001,992,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,120,664.93 : 1,656,863,778.58 = 668,324,241.70 : x
  2. Step 2: Convert to fraction form
    1,105,120,664.93/1,656,863,778.58 = 668,324,241.70/x
  3. Step 3: Cross multiply
    1,105,120,664.93x = 1,656,863,778.58 × 668,324,241.70
  4. Step 4: Simplify right side
    1,105,120,664.93x = 1,107,322,228,413,862,272
  5. Step 5: Solve for x
    x = 1,107,322,228,413,862,272/1,105,120,664.93
  6. Step 6: Final answer
    x = 1,001,992,147.60

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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.