Home / 2,691,232,257.60-4,037,604,213.60-1,311,091,790.40

Finding the Fourth Proportional to 2,691,232,257.60, 4,037,604,213.60 and 1,311,091,790.40

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Solution

The fourth proportional to 2,691,232,257.60, 4,037,604,213.60 and 1,311,091,790.40 is: 1,967,005,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,232,257.60 : 4,037,604,213.60 = 1,311,091,790.40 : x
  2. Step 2: Convert to fraction form
    2,691,232,257.60/4,037,604,213.60 = 1,311,091,790.40/x
  3. Step 3: Cross multiply
    2,691,232,257.60x = 4,037,604,213.60 × 1,311,091,790.40
  4. Step 4: Simplify right side
    2,691,232,257.60x = 5,293,669,737,335,408,640
  5. Step 5: Solve for x
    x = 5,293,669,737,335,408,640/2,691,232,257.60
  6. Step 6: Final answer
    x = 1,967,005,903.11

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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.