Finding the Fourth Proportional to 511,682,939.51, 706,122,451.05 and 276,733,599.99
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Solution
The fourth proportional to 511,682,939.51, 706,122,451.05 and 276,733,599.99 is: 381,892,365.02
Step by Step Solution
- Step 1: Write the proportion equation
511,682,939.51 : 706,122,451.05 = 276,733,599.99 : x - Step 2: Convert to fraction form
511,682,939.51/706,122,451.05 = 276,733,599.99/x - Step 3: Cross multiply
511,682,939.51x = 706,122,451.05 × 276,733,599.99 - Step 4: Simplify right side
511,682,939.51x = 195,407,807,909,298,432 - Step 5: Solve for x
x = 195,407,807,909,298,432/511,682,939.51 - Step 6: Final answer
x = 381,892,365.02
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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.