Home / 3,556,343,836.40-5,331,667,230.84-1,690,052,981.36

Finding the Fourth Proportional to 3,556,343,836.40, 5,331,667,230.84 and 1,690,052,981.36

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Solution

The fourth proportional to 3,556,343,836.40, 5,331,667,230.84 and 1,690,052,981.36 is: 2,533,725,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,343,836.40 : 5,331,667,230.84 = 1,690,052,981.36 : x
  2. Step 2: Convert to fraction form
    3,556,343,836.40/5,331,667,230.84 = 1,690,052,981.36/x
  3. Step 3: Cross multiply
    3,556,343,836.40x = 5,331,667,230.84 × 1,690,052,981.36
  4. Step 4: Simplify right side
    3,556,343,836.40x = 9,010,800,099,100,557,312
  5. Step 5: Solve for x
    x = 9,010,800,099,100,557,312/3,556,343,836.40
  6. Step 6: Final answer
    x = 2,533,725,790.76

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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.