Home / 328,040,613.20-492,060,919.80-264,339,621.20

Finding the Fourth Proportional to 328,040,613.20, 492,060,919.80 and 264,339,621.20

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Solution

The fourth proportional to 328,040,613.20, 492,060,919.80 and 264,339,621.20 is: 396,509,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,040,613.20 : 492,060,919.80 = 264,339,621.20 : x
  2. Step 2: Convert to fraction form
    328,040,613.20/492,060,919.80 = 264,339,621.20/x
  3. Step 3: Cross multiply
    328,040,613.20x = 492,060,919.80 × 264,339,621.20
  4. Step 4: Simplify right side
    328,040,613.20x = 130,071,197,147,255,584
  5. Step 5: Solve for x
    x = 130,071,197,147,255,584/328,040,613.20
  6. Step 6: Final answer
    x = 396,509,431.80

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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.