Home / 3,889,997,210.32-5,368,197,883.39-2,105,850,605.63

Finding the Fourth Proportional to 3,889,997,210.32, 5,368,197,883.39 and 2,105,850,605.63

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Solution

The fourth proportional to 3,889,997,210.32, 5,368,197,883.39 and 2,105,850,605.63 is: 2,906,074,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,997,210.32 : 5,368,197,883.39 = 2,105,850,605.63 : x
  2. Step 2: Convert to fraction form
    3,889,997,210.32/5,368,197,883.39 = 2,105,850,605.63/x
  3. Step 3: Cross multiply
    3,889,997,210.32x = 5,368,197,883.39 × 2,105,850,605.63
  4. Step 4: Simplify right side
    3,889,997,210.32x = 11,304,622,763,858,413,568
  5. Step 5: Solve for x
    x = 11,304,622,763,858,413,568/3,889,997,210.32
  6. Step 6: Final answer
    x = 2,906,074,774.01

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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.