Home / 1,131,325,427.06-1,560,344,632.80-734,976,119.60

Finding the Fourth Proportional to 1,131,325,427.06, 1,560,344,632.80 and 734,976,119.60

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Solution

The fourth proportional to 1,131,325,427.06, 1,560,344,632.80 and 734,976,119.60 is: 1,013,692,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,325,427.06 : 1,560,344,632.80 = 734,976,119.60 : x
  2. Step 2: Convert to fraction form
    1,131,325,427.06/1,560,344,632.80 = 734,976,119.60/x
  3. Step 3: Cross multiply
    1,131,325,427.06x = 1,560,344,632.80 × 734,976,119.60
  4. Step 4: Simplify right side
    1,131,325,427.06x = 1,146,816,043,454,030,848
  5. Step 5: Solve for x
    x = 1,146,816,043,454,030,848/1,131,325,427.06
  6. Step 6: Final answer
    x = 1,013,692,449.60

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Half scale
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Double scale
Find fourth proportional to 1,131,325,428.06, 1,560,344,634.18 and 734,976,120.60
Similar ratio
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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.