Home / 979,992,175.30-1,352,419,821.21-562,380,851.14

Finding the Fourth Proportional to 979,992,175.30, 1,352,419,821.21 and 562,380,851.14

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Solution

The fourth proportional to 979,992,175.30, 1,352,419,821.21 and 562,380,851.14 is: 776,103,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,992,175.30 : 1,352,419,821.21 = 562,380,851.14 : x
  2. Step 2: Convert to fraction form
    979,992,175.30/1,352,419,821.21 = 562,380,851.14/x
  3. Step 3: Cross multiply
    979,992,175.30x = 1,352,419,821.21 × 562,380,851.14
  4. Step 4: Simplify right side
    979,992,175.30x = 760,575,010,150,686,464
  5. Step 5: Solve for x
    x = 760,575,010,150,686,464/979,992,175.30
  6. Step 6: Final answer
    x = 776,103,145.84

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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.