Home / 1,321,335,240.21-1,823,477,190.34-718,541,118.42

Finding the Fourth Proportional to 1,321,335,240.21, 1,823,477,190.34 and 718,541,118.42

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Solution

The fourth proportional to 1,321,335,240.21, 1,823,477,190.34 and 718,541,118.42 is: 991,605,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,335,240.21 : 1,823,477,190.34 = 718,541,118.42 : x
  2. Step 2: Convert to fraction form
    1,321,335,240.21/1,823,477,190.34 = 718,541,118.42/x
  3. Step 3: Cross multiply
    1,321,335,240.21x = 1,823,477,190.34 × 718,541,118.42
  4. Step 4: Simplify right side
    1,321,335,240.21x = 1,310,243,339,760,262,656
  5. Step 5: Solve for x
    x = 1,310,243,339,760,262,656/1,321,335,240.21
  6. Step 6: Final answer
    x = 991,605,536.50

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Half scale
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Double scale
Find fourth proportional to 1,321,335,241.21, 1,823,477,191.72 and 718,541,119.42
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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.