Home / 3,825,798,976.80-5,738,698,465.20-3,145,554,496.80

Finding the Fourth Proportional to 3,825,798,976.80, 5,738,698,465.20 and 3,145,554,496.80

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Solution

The fourth proportional to 3,825,798,976.80, 5,738,698,465.20 and 3,145,554,496.80 is: 4,718,331,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,798,976.80 : 5,738,698,465.20 = 3,145,554,496.80 : x
  2. Step 2: Convert to fraction form
    3,825,798,976.80/5,738,698,465.20 = 3,145,554,496.80/x
  3. Step 3: Cross multiply
    3,825,798,976.80x = 5,738,698,465.20 × 3,145,554,496.80
  4. Step 4: Simplify right side
    3,825,798,976.80x = 18,051,388,762,989,119,488
  5. Step 5: Solve for x
    x = 18,051,388,762,989,119,488/3,825,798,976.80
  6. Step 6: Final answer
    x = 4,718,331,745.20

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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.