Home / 756,775,704.30-1,135,163,556.45-348,629,016.30

Finding the Fourth Proportional to 756,775,704.30, 1,135,163,556.45 and 348,629,016.30

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Solution

The fourth proportional to 756,775,704.30, 1,135,163,556.45 and 348,629,016.30 is: 522,943,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,775,704.30 : 1,135,163,556.45 = 348,629,016.30 : x
  2. Step 2: Convert to fraction form
    756,775,704.30/1,135,163,556.45 = 348,629,016.30/x
  3. Step 3: Cross multiply
    756,775,704.30x = 1,135,163,556.45 × 348,629,016.30
  4. Step 4: Simplify right side
    756,775,704.30x = 395,750,954,024,773,056
  5. Step 5: Solve for x
    x = 395,750,954,024,773,056/756,775,704.30
  6. Step 6: Final answer
    x = 522,943,524.45

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Double scale
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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.