Finding the Fourth Proportional to 347,082,916.42, 520,350,441.99 and 172,085,291.38
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Solution
The fourth proportional to 347,082,916.42, 520,350,441.99 and 172,085,291.38 is: 257,992,120.02
Step by Step Solution
- Step 1: Write the proportion equation
347,082,916.42 : 520,350,441.99 = 172,085,291.38 : x - Step 2: Convert to fraction form
347,082,916.42/520,350,441.99 = 172,085,291.38/x - Step 3: Cross multiply
347,082,916.42x = 520,350,441.99 × 172,085,291.38 - Step 4: Simplify right side
347,082,916.42x = 89,544,657,429,560,944 - Step 5: Solve for x
x = 89,544,657,429,560,944/347,082,916.42 - Step 6: Final answer
x = 257,992,120.02
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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.