Home / 3,571,743,453.71-4,929,282,062.64-2,142,868,333.55

Finding the Fourth Proportional to 3,571,743,453.71, 4,929,282,062.64 and 2,142,868,333.55

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Solution

The fourth proportional to 3,571,743,453.71, 4,929,282,062.64 and 2,142,868,333.55 is: 2,957,323,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,743,453.71 : 4,929,282,062.64 = 2,142,868,333.55 : x
  2. Step 2: Convert to fraction form
    3,571,743,453.71/4,929,282,062.64 = 2,142,868,333.55/x
  3. Step 3: Cross multiply
    3,571,743,453.71x = 4,929,282,062.64 × 2,142,868,333.55
  4. Step 4: Simplify right side
    3,571,743,453.71x = 10,562,802,439,142,637,568
  5. Step 5: Solve for x
    x = 10,562,802,439,142,637,568/3,571,743,453.71
  6. Step 6: Final answer
    x = 2,957,323,944.47

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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.