Home / 2,017,218,169.20-3,025,827,253.80-789,978,745.20

Finding the Fourth Proportional to 2,017,218,169.20, 3,025,827,253.80 and 789,978,745.20

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Solution

The fourth proportional to 2,017,218,169.20, 3,025,827,253.80 and 789,978,745.20 is: 1,184,968,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,218,169.20 : 3,025,827,253.80 = 789,978,745.20 : x
  2. Step 2: Convert to fraction form
    2,017,218,169.20/3,025,827,253.80 = 789,978,745.20/x
  3. Step 3: Cross multiply
    2,017,218,169.20x = 3,025,827,253.80 × 789,978,745.20
  4. Step 4: Simplify right side
    2,017,218,169.20x = 2,390,339,217,148,886,016
  5. Step 5: Solve for x
    x = 2,390,339,217,148,886,016/2,017,218,169.20
  6. Step 6: Final answer
    x = 1,184,968,117.80

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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.