Home / 260,296,365.78-358,882,151.31-190,560,678.30

Finding the Fourth Proportional to 260,296,365.78, 358,882,151.31 and 190,560,678.30

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Solution

The fourth proportional to 260,296,365.78, 358,882,151.31 and 190,560,678.30 is: 262,734,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,296,365.78 : 358,882,151.31 = 190,560,678.30 : x
  2. Step 2: Convert to fraction form
    260,296,365.78/358,882,151.31 = 190,560,678.30/x
  3. Step 3: Cross multiply
    260,296,365.78x = 358,882,151.31 × 190,560,678.30
  4. Step 4: Simplify right side
    260,296,365.78x = 68,388,826,183,396,840
  5. Step 5: Solve for x
    x = 68,388,826,183,396,840/260,296,365.78
  6. Step 6: Final answer
    x = 262,734,464.15

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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.