Home / 3,779,238,936.80-5,668,858,405.20-3,728,278,143.20

Finding the Fourth Proportional to 3,779,238,936.80, 5,668,858,405.20 and 3,728,278,143.20

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Solution

The fourth proportional to 3,779,238,936.80, 5,668,858,405.20 and 3,728,278,143.20 is: 5,592,417,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,238,936.80 : 5,668,858,405.20 = 3,728,278,143.20 : x
  2. Step 2: Convert to fraction form
    3,779,238,936.80/5,668,858,405.20 = 3,728,278,143.20/x
  3. Step 3: Cross multiply
    3,779,238,936.80x = 5,668,858,405.20 × 3,728,278,143.20
  4. Step 4: Simplify right side
    3,779,238,936.80x = 21,135,080,889,002,766,336
  5. Step 5: Solve for x
    x = 21,135,080,889,002,766,336/3,779,238,936.80
  6. Step 6: Final answer
    x = 5,592,417,214.80

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Double scale
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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.