Home / 1,520,468,093.28-2,098,245,986.64-825,107,069.28

Finding the Fourth Proportional to 1,520,468,093.28, 2,098,245,986.64 and 825,107,069.28

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Solution

The fourth proportional to 1,520,468,093.28, 2,098,245,986.64 and 825,107,069.28 is: 1,138,647,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,468,093.28 : 2,098,245,986.64 = 825,107,069.28 : x
  2. Step 2: Convert to fraction form
    1,520,468,093.28/2,098,245,986.64 = 825,107,069.28/x
  3. Step 3: Cross multiply
    1,520,468,093.28x = 2,098,245,986.64 × 825,107,069.28
  4. Step 4: Simplify right side
    1,520,468,093.28x = 1,731,277,596,665,052,416
  5. Step 5: Solve for x
    x = 1,731,277,596,665,052,416/1,520,468,093.28
  6. Step 6: Final answer
    x = 1,138,647,765.33

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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.