Home / 1,028,560,130.72-1,419,388,837.34-605,201,213.36

Finding the Fourth Proportional to 1,028,560,130.72, 1,419,388,837.34 and 605,201,213.36

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Solution

The fourth proportional to 1,028,560,130.72, 1,419,388,837.34 and 605,201,213.36 is: 835,163,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,560,130.72 : 1,419,388,837.34 = 605,201,213.36 : x
  2. Step 2: Convert to fraction form
    1,028,560,130.72/1,419,388,837.34 = 605,201,213.36/x
  3. Step 3: Cross multiply
    1,028,560,130.72x = 1,419,388,837.34 × 605,201,213.36
  4. Step 4: Simplify right side
    1,028,560,130.72x = 859,015,846,587,807,616
  5. Step 5: Solve for x
    x = 859,015,846,587,807,616/1,028,560,130.72
  6. Step 6: Final answer
    x = 835,163,468.75

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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.