Home / 5,112,469,852.80-7,668,704,779.20-2,005,453,190.40

Finding the Fourth Proportional to 5,112,469,852.80, 7,668,704,779.20 and 2,005,453,190.40

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Solution

The fourth proportional to 5,112,469,852.80, 7,668,704,779.20 and 2,005,453,190.40 is: 3,008,179,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,469,852.80 : 7,668,704,779.20 = 2,005,453,190.40 : x
  2. Step 2: Convert to fraction form
    5,112,469,852.80/7,668,704,779.20 = 2,005,453,190.40/x
  3. Step 3: Cross multiply
    5,112,469,852.80x = 7,668,704,779.20 × 2,005,453,190.40
  4. Step 4: Simplify right side
    5,112,469,852.80x = 15,379,228,465,682,368,512
  5. Step 5: Solve for x
    x = 15,379,228,465,682,368,512/5,112,469,852.80
  6. Step 6: Final answer
    x = 3,008,179,785.60

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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.