Home / 1,028,560,127.60-1,419,388,833.02-605,201,210.25

Finding the Fourth Proportional to 1,028,560,127.60, 1,419,388,833.02 and 605,201,210.25

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Solution

The fourth proportional to 1,028,560,127.60, 1,419,388,833.02 and 605,201,210.25 is: 835,163,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,560,127.60 : 1,419,388,833.02 = 605,201,210.25 : x
  2. Step 2: Convert to fraction form
    1,028,560,127.60/1,419,388,833.02 = 605,201,210.25/x
  3. Step 3: Cross multiply
    1,028,560,127.60x = 1,419,388,833.02 × 605,201,210.25
  4. Step 4: Simplify right side
    1,028,560,127.60x = 859,015,839,559,039,104
  5. Step 5: Solve for x
    x = 859,015,839,559,039,104/1,028,560,127.60
  6. Step 6: Final answer
    x = 835,163,464.45

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Half scale
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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.