Home / 1,282,912,325.77-1,770,419,009.06-696,201,461.77

Finding the Fourth Proportional to 1,282,912,325.77, 1,770,419,009.06 and 696,201,461.77

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Solution

The fourth proportional to 1,282,912,325.77, 1,770,419,009.06 and 696,201,461.77 is: 960,758,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,912,325.77 : 1,770,419,009.06 = 696,201,461.77 : x
  2. Step 2: Convert to fraction form
    1,282,912,325.77/1,770,419,009.06 = 696,201,461.77/x
  3. Step 3: Cross multiply
    1,282,912,325.77x = 1,770,419,009.06 × 696,201,461.77
  4. Step 4: Simplify right side
    1,282,912,325.77x = 1,232,568,302,049,485,824
  5. Step 5: Solve for x
    x = 1,232,568,302,049,485,824/1,282,912,325.77
  6. Step 6: Final answer
    x = 960,758,016.97

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Half scale
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Double scale
Find fourth proportional to 1,282,912,326.77, 1,770,419,010.44 and 696,201,462.77
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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.