Home / 1,028,339,443.07-1,419,542,889.43-694,264,503.42

Finding the Fourth Proportional to 1,028,339,443.07, 1,419,542,889.43 and 694,264,503.42

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Solution

The fourth proportional to 1,028,339,443.07, 1,419,542,889.43 and 694,264,503.42 is: 958,378,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,339,443.07 : 1,419,542,889.43 = 694,264,503.42 : x
  2. Step 2: Convert to fraction form
    1,028,339,443.07/1,419,542,889.43 = 694,264,503.42/x
  3. Step 3: Cross multiply
    1,028,339,443.07x = 1,419,542,889.43 × 694,264,503.42
  4. Step 4: Simplify right side
    1,028,339,443.07x = 985,538,239,213,510,912
  5. Step 5: Solve for x
    x = 985,538,239,213,510,912/1,028,339,443.07
  6. Step 6: Final answer
    x = 958,378,331.06

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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.