Home / 230,202,450.80-345,303,676.20-200,641,209.20

Finding the Fourth Proportional to 230,202,450.80, 345,303,676.20 and 200,641,209.20

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Solution

The fourth proportional to 230,202,450.80, 345,303,676.20 and 200,641,209.20 is: 300,961,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,202,450.80 : 345,303,676.20 = 200,641,209.20 : x
  2. Step 2: Convert to fraction form
    230,202,450.80/345,303,676.20 = 200,641,209.20/x
  3. Step 3: Cross multiply
    230,202,450.80x = 345,303,676.20 × 200,641,209.20
  4. Step 4: Simplify right side
    230,202,450.80x = 69,282,147,133,973,256
  5. Step 5: Solve for x
    x = 69,282,147,133,973,256/230,202,450.80
  6. Step 6: Final answer
    x = 300,961,813.80

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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.