Home / 3,885,392,771.40-5,361,858,068.42-2,101,246,185.64

Finding the Fourth Proportional to 3,885,392,771.40, 5,361,858,068.42 and 2,101,246,185.64

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Solution

The fourth proportional to 3,885,392,771.40, 5,361,858,068.42 and 2,101,246,185.64 is: 2,899,728,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,392,771.40 : 5,361,858,068.42 = 2,101,246,185.64 : x
  2. Step 2: Convert to fraction form
    3,885,392,771.40/5,361,858,068.42 = 2,101,246,185.64/x
  3. Step 3: Cross multiply
    3,885,392,771.40x = 5,361,858,068.42 × 2,101,246,185.64
  4. Step 4: Simplify right side
    3,885,392,771.40x = 11,266,583,814,210,584,576
  5. Step 5: Solve for x
    x = 11,266,583,814,210,584,576/3,885,392,771.40
  6. Step 6: Final answer
    x = 2,899,728,412.82

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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.