Home / 366,575,760.95-505,870,993.60-199,312,019.89

Finding the Fourth Proportional to 366,575,760.95, 505,870,993.60 and 199,312,019.89

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Solution

The fourth proportional to 366,575,760.95, 505,870,993.60 and 199,312,019.89 is: 275,048,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,575,760.95 : 505,870,993.60 = 199,312,019.89 : x
  2. Step 2: Convert to fraction form
    366,575,760.95/505,870,993.60 = 199,312,019.89/x
  3. Step 3: Cross multiply
    366,575,760.95x = 505,870,993.60 × 199,312,019.89
  4. Step 4: Simplify right side
    366,575,760.95x = 100,826,169,535,647,904
  5. Step 5: Solve for x
    x = 100,826,169,535,647,904/366,575,760.95
  6. Step 6: Final answer
    x = 275,048,653.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.