Home / 1,614,868,286.42-2,422,302,432.91-388,036,739.54

Finding the Fourth Proportional to 1,614,868,286.42, 2,422,302,432.91 and 388,036,739.54

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Solution

The fourth proportional to 1,614,868,286.42, 2,422,302,432.91 and 388,036,739.54 is: 582,055,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,868,286.42 : 2,422,302,432.91 = 388,036,739.54 : x
  2. Step 2: Convert to fraction form
    1,614,868,286.42/2,422,302,432.91 = 388,036,739.54/x
  3. Step 3: Cross multiply
    1,614,868,286.42x = 2,422,302,432.91 × 388,036,739.54
  4. Step 4: Simplify right side
    1,614,868,286.42x = 939,942,338,251,291,648
  5. Step 5: Solve for x
    x = 939,942,338,251,291,648/1,614,868,286.42
  6. Step 6: Final answer
    x = 582,055,110.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.