Finding the Fourth Proportional to 511,682,607.74, 706,121,999.08 and 276,733,266.96
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Solution
The fourth proportional to 511,682,607.74, 706,121,999.08 and 276,733,266.96 is: 381,891,908.62
Step by Step Solution
- Step 1: Write the proportion equation
511,682,607.74 : 706,121,999.08 = 276,733,266.96 : x - Step 2: Convert to fraction form
511,682,607.74/706,121,999.08 = 276,733,266.96/x - Step 3: Cross multiply
511,682,607.74x = 706,121,999.08 × 276,733,266.96 - Step 4: Simplify right side
511,682,607.74x = 195,407,447,677,734,496 - Step 5: Solve for x
x = 195,407,447,677,734,496/511,682,607.74 - Step 6: Final answer
x = 381,891,908.62
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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.