Finding the Fourth Proportional to 308,060,329.68, 424,989,648.99 and 203,783,929.11
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Solution
The fourth proportional to 308,060,329.68, 424,989,648.99 and 203,783,929.11 is: 281,133,440.95
Step by Step Solution
- Step 1: Write the proportion equation
308,060,329.68 : 424,989,648.99 = 203,783,929.11 : x - Step 2: Convert to fraction form
308,060,329.68/424,989,648.99 = 203,783,929.11/x - Step 3: Cross multiply
308,060,329.68x = 424,989,648.99 × 203,783,929.11 - Step 4: Simplify right side
308,060,329.68x = 86,606,060,502,261,952 - Step 5: Solve for x
x = 86,606,060,502,261,952/308,060,329.68 - Step 6: Final answer
x = 281,133,440.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.