Home / 3,180,385,999.90-4,770,578,999.85-1,241,689,231.90

Finding the Fourth Proportional to 3,180,385,999.90, 4,770,578,999.85 and 1,241,689,231.90

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Solution

The fourth proportional to 3,180,385,999.90, 4,770,578,999.85 and 1,241,689,231.90 is: 1,862,533,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,385,999.90 : 4,770,578,999.85 = 1,241,689,231.90 : x
  2. Step 2: Convert to fraction form
    3,180,385,999.90/4,770,578,999.85 = 1,241,689,231.90/x
  3. Step 3: Cross multiply
    3,180,385,999.90x = 4,770,578,999.85 × 1,241,689,231.90
  4. Step 4: Simplify right side
    3,180,385,999.90x = 5,923,576,574,042,017,792
  5. Step 5: Solve for x
    x = 5,923,576,574,042,017,792/3,180,385,999.90
  6. Step 6: Final answer
    x = 1,862,533,847.85

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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.