Home / 407,965,329.12-562,977,854.64-222,322,556.64

Finding the Fourth Proportional to 407,965,329.12, 562,977,854.64 and 222,322,556.64

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Solution

The fourth proportional to 407,965,329.12, 562,977,854.64 and 222,322,556.64 is: 306,797,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,965,329.12 : 562,977,854.64 = 222,322,556.64 : x
  2. Step 2: Convert to fraction form
    407,965,329.12/562,977,854.64 = 222,322,556.64/x
  3. Step 3: Cross multiply
    407,965,329.12x = 562,977,854.64 × 222,322,556.64
  4. Step 4: Simplify right side
    407,965,329.12x = 125,162,675,975,267,072
  5. Step 5: Solve for x
    x = 125,162,675,975,267,072/407,965,329.12
  6. Step 6: Final answer
    x = 306,797,335.56

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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.