Home / 979,992,174.80-1,352,419,820.52-562,380,850.64

Finding the Fourth Proportional to 979,992,174.80, 1,352,419,820.52 and 562,380,850.64

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Solution

The fourth proportional to 979,992,174.80, 1,352,419,820.52 and 562,380,850.64 is: 776,103,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,992,174.80 : 1,352,419,820.52 = 562,380,850.64 : x
  2. Step 2: Convert to fraction form
    979,992,174.80/1,352,419,820.52 = 562,380,850.64/x
  3. Step 3: Cross multiply
    979,992,174.80x = 1,352,419,820.52 × 562,380,850.64
  4. Step 4: Simplify right side
    979,992,174.80x = 760,575,009,086,433,664
  5. Step 5: Solve for x
    x = 760,575,009,086,433,664/979,992,174.80
  6. Step 6: Final answer
    x = 776,103,145.15

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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.