Home / 1,069,464,150.72-1,476,344,115.36-673,568,965.44

Finding the Fourth Proportional to 1,069,464,150.72, 1,476,344,115.36 and 673,568,965.44

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Solution

The fourth proportional to 1,069,464,150.72, 1,476,344,115.36 and 673,568,965.44 is: 929,829,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,464,150.72 : 1,476,344,115.36 = 673,568,965.44 : x
  2. Step 2: Convert to fraction form
    1,069,464,150.72/1,476,344,115.36 = 673,568,965.44/x
  3. Step 3: Cross multiply
    1,069,464,150.72x = 1,476,344,115.36 × 673,568,965.44
  4. Step 4: Simplify right side
    1,069,464,150.72x = 994,419,578,416,467,200
  5. Step 5: Solve for x
    x = 994,419,578,416,467,200/1,069,464,150.72
  6. Step 6: Final answer
    x = 929,829,744.87

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Half scale
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Double scale
Find fourth proportional to 1,069,464,151.72, 1,476,344,116.74 and 673,568,966.44
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.