Home / 2,021,978,318.40-3,032,967,477.60-1,792,395,806.40

Finding the Fourth Proportional to 2,021,978,318.40, 3,032,967,477.60 and 1,792,395,806.40

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Solution

The fourth proportional to 2,021,978,318.40, 3,032,967,477.60 and 1,792,395,806.40 is: 2,688,593,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,978,318.40 : 3,032,967,477.60 = 1,792,395,806.40 : x
  2. Step 2: Convert to fraction form
    2,021,978,318.40/3,032,967,477.60 = 1,792,395,806.40/x
  3. Step 3: Cross multiply
    2,021,978,318.40x = 3,032,967,477.60 × 1,792,395,806.40
  4. Step 4: Simplify right side
    2,021,978,318.40x = 5,436,278,187,797,826,560
  5. Step 5: Solve for x
    x = 5,436,278,187,797,826,560/2,021,978,318.40
  6. Step 6: Final answer
    x = 2,688,593,709.60

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1.5x scale

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.