Finding the Fourth Proportional to 644,605,297.08, 966,906,734.40 and 201,981,860.88
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Solution
The fourth proportional to 644,605,297.08, 966,906,734.40 and 201,981,860.88 is: 302,972,411.79
Step by Step Solution
- Step 1: Write the proportion equation
644,605,297.08 : 966,906,734.40 = 201,981,860.88 : x - Step 2: Convert to fraction form
644,605,297.08/966,906,734.40 = 201,981,860.88/x - Step 3: Cross multiply
644,605,297.08x = 966,906,734.40 × 201,981,860.88 - Step 4: Simplify right side
644,605,297.08x = 195,297,621,511,515,904 - Step 5: Solve for x
x = 195,297,621,511,515,904/644,605,297.08 - Step 6: Final answer
x = 302,972,411.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.