Home / 3,576,813,928.40-4,936,003,448.64-1,990,871,745.68

Finding the Fourth Proportional to 3,576,813,928.40, 4,936,003,448.64 and 1,990,871,745.68

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Solution

The fourth proportional to 3,576,813,928.40, 4,936,003,448.64 and 1,990,871,745.68 is: 2,747,403,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576,813,928.40 : 4,936,003,448.64 = 1,990,871,745.68 : x
  2. Step 2: Convert to fraction form
    3,576,813,928.40/4,936,003,448.64 = 1,990,871,745.68/x
  3. Step 3: Cross multiply
    3,576,813,928.40x = 4,936,003,448.64 × 1,990,871,745.68
  4. Step 4: Simplify right side
    3,576,813,928.40x = 9,826,949,802,476,417,024
  5. Step 5: Solve for x
    x = 9,826,949,802,476,417,024/3,576,813,928.40
  6. Step 6: Final answer
    x = 2,747,403,135.64

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Double scale
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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.