Finding the Fourth Proportional to 662,757,835, 993,977,295.88 and 202,699,990.12
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Solution
The fourth proportional to 662,757,835, 993,977,295.88 and 202,699,990.12 is: 304,001,216.45
Step by Step Solution
- Step 1: Write the proportion equation
662,757,835 : 993,977,295.88 = 202,699,990.12 : x - Step 2: Convert to fraction form
662,757,835/993,977,295.88 = 202,699,990.12/x - Step 3: Cross multiply
662,757,835x = 993,977,295.88 × 202,699,990.12 - Step 4: Simplify right side
662,757,835x = 201,479,188,054,380,320 - Step 5: Solve for x
x = 201,479,188,054,380,320/662,757,835 - Step 6: Final answer
x = 304,001,216.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.