Home / 298,818,198.36-448,193,632.32-80,484,520.86

Finding the Fourth Proportional to 298,818,198.36, 448,193,632.32 and 80,484,520.86

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Solution

The fourth proportional to 298,818,198.36, 448,193,632.32 and 80,484,520.86 is: 120,717,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,818,198.36 : 448,193,632.32 = 80,484,520.86 : x
  2. Step 2: Convert to fraction form
    298,818,198.36/448,193,632.32 = 80,484,520.86/x
  3. Step 3: Cross multiply
    298,818,198.36x = 448,193,632.32 × 80,484,520.86
  4. Step 4: Simplify right side
    298,818,198.36x = 36,072,649,749,778,208
  5. Step 5: Solve for x
    x = 36,072,649,749,778,208/298,818,198.36
  6. Step 6: Final answer
    x = 120,717,713.81

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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.