Home / 2,783,007,304.40-3,840,321,787.08-1,638,391,729.52

Finding the Fourth Proportional to 2,783,007,304.40, 3,840,321,787.08 and 1,638,391,729.52

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Solution

The fourth proportional to 2,783,007,304.40, 3,840,321,787.08 and 1,638,391,729.52 is: 2,260,846,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,007,304.40 : 3,840,321,787.08 = 1,638,391,729.52 : x
  2. Step 2: Convert to fraction form
    2,783,007,304.40/3,840,321,787.08 = 1,638,391,729.52/x
  3. Step 3: Cross multiply
    2,783,007,304.40x = 3,840,321,787.08 × 1,638,391,729.52
  4. Step 4: Simplify right side
    2,783,007,304.40x = 6,291,951,454,647,337,984
  5. Step 5: Solve for x
    x = 6,291,951,454,647,337,984/2,783,007,304.40
  6. Step 6: Final answer
    x = 2,260,846,187.76

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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.