Home / 3,968,969,408.84-5,477,124,320.34-2,208,836,350.28

Finding the Fourth Proportional to 3,968,969,408.84, 5,477,124,320.34 and 2,208,836,350.28

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Solution

The fourth proportional to 3,968,969,408.84, 5,477,124,320.34 and 2,208,836,350.28 is: 3,048,164,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968,969,408.84 : 5,477,124,320.34 = 2,208,836,350.28 : x
  2. Step 2: Convert to fraction form
    3,968,969,408.84/5,477,124,320.34 = 2,208,836,350.28/x
  3. Step 3: Cross multiply
    3,968,969,408.84x = 5,477,124,320.34 × 2,208,836,350.28
  4. Step 4: Simplify right side
    3,968,969,408.84x = 12,098,071,293,769,631,744
  5. Step 5: Solve for x
    x = 12,098,071,293,769,631,744/3,968,969,408.84
  6. Step 6: Final answer
    x = 3,048,164,409.34

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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.