Home / 2,552,148,019.20-3,828,222,028.80-2,171,211,110.40

Finding the Fourth Proportional to 2,552,148,019.20, 3,828,222,028.80 and 2,171,211,110.40

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Solution

The fourth proportional to 2,552,148,019.20, 3,828,222,028.80 and 2,171,211,110.40 is: 3,256,816,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552,148,019.20 : 3,828,222,028.80 = 2,171,211,110.40 : x
  2. Step 2: Convert to fraction form
    2,552,148,019.20/3,828,222,028.80 = 2,171,211,110.40/x
  3. Step 3: Cross multiply
    2,552,148,019.20x = 3,828,222,028.80 × 2,171,211,110.40
  4. Step 4: Simplify right side
    2,552,148,019.20x = 8,311,878,202,008,589,312
  5. Step 5: Solve for x
    x = 8,311,878,202,008,589,312/2,552,148,019.20
  6. Step 6: Final answer
    x = 3,256,816,665.60

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Half scale
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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.