Home / 2,085,474,856-3,128,615,115.36-792,909,843.52

Finding the Fourth Proportional to 2,085,474,856, 3,128,615,115.36 and 792,909,843.52

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Solution

The fourth proportional to 2,085,474,856, 3,128,615,115.36 and 792,909,843.52 is: 1,189,517,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,474,856 : 3,128,615,115.36 = 792,909,843.52 : x
  2. Step 2: Convert to fraction form
    2,085,474,856/3,128,615,115.36 = 792,909,843.52/x
  3. Step 3: Cross multiply
    2,085,474,856x = 3,128,615,115.36 × 792,909,843.52
  4. Step 4: Simplify right side
    2,085,474,856x = 2,480,709,721,554,404,352
  5. Step 5: Solve for x
    x = 2,480,709,721,554,404,352/2,085,474,856
  6. Step 6: Final answer
    x = 1,189,517,924.14

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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.