Home / 471,907,328.85-707,860,993.28-300,145,597.65

Finding the Fourth Proportional to 471,907,328.85, 707,860,993.28 and 300,145,597.65

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Solution

The fourth proportional to 471,907,328.85, 707,860,993.28 and 300,145,597.65 is: 450,218,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,907,328.85 : 707,860,993.28 = 300,145,597.65 : x
  2. Step 2: Convert to fraction form
    471,907,328.85/707,860,993.28 = 300,145,597.65/x
  3. Step 3: Cross multiply
    471,907,328.85x = 707,860,993.28 × 300,145,597.65
  4. Step 4: Simplify right side
    471,907,328.85x = 212,461,360,879,647,488
  5. Step 5: Solve for x
    x = 212,461,360,879,647,488/471,907,328.85
  6. Step 6: Final answer
    x = 450,218,396.48

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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.