Home / 1,028,560,124.38-1,419,388,828.60-605,201,207.03

Finding the Fourth Proportional to 1,028,560,124.38, 1,419,388,828.60 and 605,201,207.03

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Solution

The fourth proportional to 1,028,560,124.38, 1,419,388,828.60 and 605,201,207.03 is: 835,163,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,560,124.38 : 1,419,388,828.60 = 605,201,207.03 : x
  2. Step 2: Convert to fraction form
    1,028,560,124.38/1,419,388,828.60 = 605,201,207.03/x
  3. Step 3: Cross multiply
    1,028,560,124.38x = 1,419,388,828.60 × 605,201,207.03
  4. Step 4: Simplify right side
    1,028,560,124.38x = 859,015,832,313,788,544
  5. Step 5: Solve for x
    x = 859,015,832,313,788,544/1,028,560,124.38
  6. Step 6: Final answer
    x = 835,163,460.02

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Double scale
Find fourth proportional to 1,028,560,125.38, 1,419,388,829.98 and 605,201,208.03
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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.