Home / 355,007,704.86-489,901,231.62-198,376,098.93

Finding the Fourth Proportional to 355,007,704.86, 489,901,231.62 and 198,376,098.93

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Solution

The fourth proportional to 355,007,704.86, 489,901,231.62 and 198,376,098.93 is: 273,753,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,007,704.86 : 489,901,231.62 = 198,376,098.93 : x
  2. Step 2: Convert to fraction form
    355,007,704.86/489,901,231.62 = 198,376,098.93/x
  3. Step 3: Cross multiply
    355,007,704.86x = 489,901,231.62 × 198,376,098.93
  4. Step 4: Simplify right side
    355,007,704.86x = 97,184,695,189,777,968
  5. Step 5: Solve for x
    x = 97,184,695,189,777,968/355,007,704.86
  6. Step 6: Final answer
    x = 273,753,763.25

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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.