Home / 3,897,435,789.54-5,378,567,146.47-2,204,143,647.82

Finding the Fourth Proportional to 3,897,435,789.54, 5,378,567,146.47 and 2,204,143,647.82

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Solution

The fourth proportional to 3,897,435,789.54, 5,378,567,146.47 and 2,204,143,647.82 is: 3,041,778,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,435,789.54 : 5,378,567,146.47 = 2,204,143,647.82 : x
  2. Step 2: Convert to fraction form
    3,897,435,789.54/5,378,567,146.47 = 2,204,143,647.82/x
  3. Step 3: Cross multiply
    3,897,435,789.54x = 5,378,567,146.47 × 2,204,143,647.82
  4. Step 4: Simplify right side
    3,897,435,789.54x = 11,855,134,610,251,749,376
  5. Step 5: Solve for x
    x = 11,855,134,610,251,749,376/3,897,435,789.54
  6. Step 6: Final answer
    x = 3,041,778,043.42

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1.5x scale

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.