Home / 3,779,238,927.80-5,668,858,391.70-3,728,278,134.20

Finding the Fourth Proportional to 3,779,238,927.80, 5,668,858,391.70 and 3,728,278,134.20

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Solution

The fourth proportional to 3,779,238,927.80, 5,668,858,391.70 and 3,728,278,134.20 is: 5,592,417,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,238,927.80 : 5,668,858,391.70 = 3,728,278,134.20 : x
  2. Step 2: Convert to fraction form
    3,779,238,927.80/5,668,858,391.70 = 3,728,278,134.20/x
  3. Step 3: Cross multiply
    3,779,238,927.80x = 5,668,858,391.70 × 3,728,278,134.20
  4. Step 4: Simplify right side
    3,779,238,927.80x = 21,135,080,787,651,284,992
  5. Step 5: Solve for x
    x = 21,135,080,787,651,284,992/3,779,238,927.80
  6. Step 6: Final answer
    x = 5,592,417,201.30

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Half scale
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Double scale
Find fourth proportional to 3,779,238,928.80, 5,668,858,393.20 and 3,728,278,135.20
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.