Finding the Fourth Proportional to 512,462,072.44, 707,198,341.96 and 277,513,138.11
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Solution
The fourth proportional to 512,462,072.44, 707,198,341.96 and 277,513,138.11 is: 382,968,499.92
Step by Step Solution
- Step 1: Write the proportion equation
512,462,072.44 : 707,198,341.96 = 277,513,138.11 : x - Step 2: Convert to fraction form
512,462,072.44/707,198,341.96 = 277,513,138.11/x - Step 3: Cross multiply
512,462,072.44x = 707,198,341.96 × 277,513,138.11 - Step 4: Simplify right side
512,462,072.44x = 196,256,831,146,529,856 - Step 5: Solve for x
x = 196,256,831,146,529,856/512,462,072.44 - Step 6: Final answer
x = 382,968,499.92
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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.