Finding the Fourth Proportional to 497,341,310.14, 686,318,984.76 and 274,318,202.14
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Solution
The fourth proportional to 497,341,310.14, 686,318,984.76 and 274,318,202.14 is: 378,552,487.31
Step by Step Solution
- Step 1: Write the proportion equation
497,341,310.14 : 686,318,984.76 = 274,318,202.14 : x - Step 2: Convert to fraction form
497,341,310.14/686,318,984.76 = 274,318,202.14/x - Step 3: Cross multiply
497,341,310.14x = 686,318,984.76 × 274,318,202.14 - Step 4: Simplify right side
497,341,310.14x = 188,269,789,993,913,248 - Step 5: Solve for x
x = 188,269,789,993,913,248/497,341,310.14 - Step 6: Final answer
x = 378,552,487.31
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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.