Finding the Fourth Proportional to 324,845,995.88, 447,791,541.94 and 199,165,514.12
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Solution
The fourth proportional to 324,845,995.88, 447,791,541.94 and 199,165,514.12 is: 274,544,349.63
Step by Step Solution
- Step 1: Write the proportion equation
324,845,995.88 : 447,791,541.94 = 199,165,514.12 : x - Step 2: Convert to fraction form
324,845,995.88/447,791,541.94 = 199,165,514.12/x - Step 3: Cross multiply
324,845,995.88x = 447,791,541.94 × 199,165,514.12 - Step 4: Simplify right side
324,845,995.88x = 89,184,632,669,067,648 - Step 5: Solve for x
x = 89,184,632,669,067,648/324,845,995.88 - Step 6: Final answer
x = 274,544,349.63
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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.