Finding the Fourth Proportional to 298,765,831.99, 412,297,245.32 and 164,800,726.33
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Solution
The fourth proportional to 298,765,831.99, 412,297,245.32 and 164,800,726.33 is: 227,425,221.41
Step by Step Solution
- Step 1: Write the proportion equation
298,765,831.99 : 412,297,245.32 = 164,800,726.33 : x - Step 2: Convert to fraction form
298,765,831.99/412,297,245.32 = 164,800,726.33/x - Step 3: Cross multiply
298,765,831.99x = 412,297,245.32 × 164,800,726.33 - Step 4: Simplify right side
298,765,831.99x = 67,946,885,490,739,440 - Step 5: Solve for x
x = 67,946,885,490,739,440/298,765,831.99 - Step 6: Final answer
x = 227,425,221.41
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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.