Home / 2,778,150,202.32-3,833,706,486.72-1,649,168,223.60

Finding the Fourth Proportional to 2,778,150,202.32, 3,833,706,486.72 and 1,649,168,223.60

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Solution

The fourth proportional to 2,778,150,202.32, 3,833,706,486.72 and 1,649,168,223.60 is: 2,275,768,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,150,202.32 : 3,833,706,486.72 = 1,649,168,223.60 : x
  2. Step 2: Convert to fraction form
    2,778,150,202.32/3,833,706,486.72 = 1,649,168,223.60/x
  3. Step 3: Cross multiply
    2,778,150,202.32x = 3,833,706,486.72 × 1,649,168,223.60
  4. Step 4: Simplify right side
    2,778,150,202.32x = 6,322,426,916,507,819,008
  5. Step 5: Solve for x
    x = 6,322,426,916,507,819,008/2,778,150,202.32
  6. Step 6: Final answer
    x = 2,275,768,571.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.