Home / 439,262,067.80-658,890,247.66-111,734,782.67

Finding the Fourth Proportional to 439,262,067.80, 658,890,247.66 and 111,734,782.67

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Solution

The fourth proportional to 439,262,067.80, 658,890,247.66 and 111,734,782.67 is: 167,601,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,262,067.80 : 658,890,247.66 = 111,734,782.67 : x
  2. Step 2: Convert to fraction form
    439,262,067.80/658,890,247.66 = 111,734,782.67/x
  3. Step 3: Cross multiply
    439,262,067.80x = 658,890,247.66 × 111,734,782.67
  4. Step 4: Simplify right side
    439,262,067.80x = 73,620,958,625,672,576
  5. Step 5: Solve for x
    x = 73,620,958,625,672,576/439,262,067.80
  6. Step 6: Final answer
    x = 167,601,448.02

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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.