Home / 3,111,739,270.65-4,667,616,811.98-1,271,491,947.90

Finding the Fourth Proportional to 3,111,739,270.65, 4,667,616,811.98 and 1,271,491,947.90

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Solution

The fourth proportional to 3,111,739,270.65, 4,667,616,811.98 and 1,271,491,947.90 is: 1,907,241,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,739,270.65 : 4,667,616,811.98 = 1,271,491,947.90 : x
  2. Step 2: Convert to fraction form
    3,111,739,270.65/4,667,616,811.98 = 1,271,491,947.90/x
  3. Step 3: Cross multiply
    3,111,739,270.65x = 4,667,616,811.98 × 1,271,491,947.90
  4. Step 4: Simplify right side
    3,111,739,270.65x = 5,934,837,192,315,238,400
  5. Step 5: Solve for x
    x = 5,934,837,192,315,238,400/3,111,739,270.65
  6. Step 6: Final answer
    x = 1,907,241,152.33

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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.