Home / 2,783,007,305.40-3,840,321,788.46-1,638,391,730.52

Finding the Fourth Proportional to 2,783,007,305.40, 3,840,321,788.46 and 1,638,391,730.52

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Solution

The fourth proportional to 2,783,007,305.40, 3,840,321,788.46 and 1,638,391,730.52 is: 2,260,846,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,007,305.40 : 3,840,321,788.46 = 1,638,391,730.52 : x
  2. Step 2: Convert to fraction form
    2,783,007,305.40/3,840,321,788.46 = 1,638,391,730.52/x
  3. Step 3: Cross multiply
    2,783,007,305.40x = 3,840,321,788.46 × 1,638,391,730.52
  4. Step 4: Simplify right side
    2,783,007,305.40x = 6,291,951,460,748,640,256
  5. Step 5: Solve for x
    x = 6,291,951,460,748,640,256/2,783,007,305.40
  6. Step 6: Final answer
    x = 2,260,846,189.14

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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.