Home / 979,992,183.80-1,352,419,832.96-562,380,859.64

Finding the Fourth Proportional to 979,992,183.80, 1,352,419,832.96 and 562,380,859.64

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Solution

The fourth proportional to 979,992,183.80, 1,352,419,832.96 and 562,380,859.64 is: 776,103,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,992,183.80 : 1,352,419,832.96 = 562,380,859.64 : x
  2. Step 2: Convert to fraction form
    979,992,183.80/1,352,419,832.96 = 562,380,859.64/x
  3. Step 3: Cross multiply
    979,992,183.80x = 1,352,419,832.96 × 562,380,859.64
  4. Step 4: Simplify right side
    979,992,183.80x = 760,575,028,254,230,016
  5. Step 5: Solve for x
    x = 760,575,028,254,230,016/979,992,183.80
  6. Step 6: Final answer
    x = 776,103,157.58

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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.