Finding the Fourth Proportional to 274,487,455.45, 378,793,137.27 and 149,039,893.98
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Solution
The fourth proportional to 274,487,455.45, 378,793,137.27 and 149,039,893.98 is: 205,675,297.35
Step by Step Solution
- Step 1: Write the proportion equation
274,487,455.45 : 378,793,137.27 = 149,039,893.98 : x - Step 2: Convert to fraction form
274,487,455.45/378,793,137.27 = 149,039,893.98/x - Step 3: Cross multiply
274,487,455.45x = 378,793,137.27 × 149,039,893.98 - Step 4: Simplify right side
274,487,455.45x = 56,455,289,019,072,376 - Step 5: Solve for x
x = 56,455,289,019,072,376/274,487,455.45 - Step 6: Final answer
x = 205,675,297.35
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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.