Home / 1,028,559,929.33-1,419,388,560.56-605,201,011.22

Finding the Fourth Proportional to 1,028,559,929.33, 1,419,388,560.56 and 605,201,011.22

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Solution

The fourth proportional to 1,028,559,929.33, 1,419,388,560.56 and 605,201,011.22 is: 835,163,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,559,929.33 : 1,419,388,560.56 = 605,201,011.22 : x
  2. Step 2: Convert to fraction form
    1,028,559,929.33/1,419,388,560.56 = 605,201,011.22/x
  3. Step 3: Cross multiply
    1,028,559,929.33x = 1,419,388,560.56 × 605,201,011.22
  4. Step 4: Simplify right side
    1,028,559,929.33x = 859,015,392,170,073,600
  5. Step 5: Solve for x
    x = 859,015,392,170,073,600/1,028,559,929.33
  6. Step 6: Final answer
    x = 835,163,190.47

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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.