Home / 1,396,942,810.80-2,095,414,216.20-414,404,775.60

Finding the Fourth Proportional to 1,396,942,810.80, 2,095,414,216.20 and 414,404,775.60

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Solution

The fourth proportional to 1,396,942,810.80, 2,095,414,216.20 and 414,404,775.60 is: 621,607,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,942,810.80 : 2,095,414,216.20 = 414,404,775.60 : x
  2. Step 2: Convert to fraction form
    1,396,942,810.80/2,095,414,216.20 = 414,404,775.60/x
  3. Step 3: Cross multiply
    1,396,942,810.80x = 2,095,414,216.20 × 414,404,775.60
  4. Step 4: Simplify right side
    1,396,942,810.80x = 868,349,658,053,410,944
  5. Step 5: Solve for x
    x = 868,349,658,053,410,944/1,396,942,810.80
  6. Step 6: Final answer
    x = 621,607,163.40

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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.