Home / 436,608,766.20-654,913,149.30-290,568,779.40

Finding the Fourth Proportional to 436,608,766.20, 654,913,149.30 and 290,568,779.40

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Solution

The fourth proportional to 436,608,766.20, 654,913,149.30 and 290,568,779.40 is: 435,853,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,608,766.20 : 654,913,149.30 = 290,568,779.40 : x
  2. Step 2: Convert to fraction form
    436,608,766.20/654,913,149.30 = 290,568,779.40/x
  3. Step 3: Cross multiply
    436,608,766.20x = 654,913,149.30 × 290,568,779.40
  4. Step 4: Simplify right side
    436,608,766.20x = 190,297,314,405,110,944
  5. Step 5: Solve for x
    x = 190,297,314,405,110,944/436,608,766.20
  6. Step 6: Final answer
    x = 435,853,169.10

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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.