Home / 3,542,942,431.80-5,314,413,647.70-1,213,105,087.80

Finding the Fourth Proportional to 3,542,942,431.80, 5,314,413,647.70 and 1,213,105,087.80

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Solution

The fourth proportional to 3,542,942,431.80, 5,314,413,647.70 and 1,213,105,087.80 is: 1,819,657,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,942,431.80 : 5,314,413,647.70 = 1,213,105,087.80 : x
  2. Step 2: Convert to fraction form
    3,542,942,431.80/5,314,413,647.70 = 1,213,105,087.80/x
  3. Step 3: Cross multiply
    3,542,942,431.80x = 5,314,413,647.70 × 1,213,105,087.80
  4. Step 4: Simplify right side
    3,542,942,431.80x = 6,446,942,234,698,626,048
  5. Step 5: Solve for x
    x = 6,446,942,234,698,626,048/3,542,942,431.80
  6. Step 6: Final answer
    x = 1,819,657,631.70

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Double scale
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Similar ratio
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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.