Home / 291,045,739.20-436,568,608.80-174,648,350.40

Finding the Fourth Proportional to 291,045,739.20, 436,568,608.80 and 174,648,350.40

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Solution

The fourth proportional to 291,045,739.20, 436,568,608.80 and 174,648,350.40 is: 261,972,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,045,739.20 : 436,568,608.80 = 174,648,350.40 : x
  2. Step 2: Convert to fraction form
    291,045,739.20/436,568,608.80 = 174,648,350.40/x
  3. Step 3: Cross multiply
    291,045,739.20x = 436,568,608.80 × 174,648,350.40
  4. Step 4: Simplify right side
    291,045,739.20x = 76,245,987,363,342,928
  5. Step 5: Solve for x
    x = 76,245,987,363,342,928/291,045,739.20
  6. Step 6: Final answer
    x = 261,972,525.60

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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.