Finding the Fourth Proportional to 382,247,402.94, 573,007,821.84 and 243,684,134.91
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Solution
The fourth proportional to 382,247,402.94, 573,007,821.84 and 243,684,134.91 is: 365,294,608.38
Step by Step Solution
- Step 1: Write the proportion equation
382,247,402.94 : 573,007,821.84 = 243,684,134.91 : x - Step 2: Convert to fraction form
382,247,402.94/573,007,821.84 = 243,684,134.91/x - Step 3: Cross multiply
382,247,402.94x = 573,007,821.84 × 243,684,134.91 - Step 4: Simplify right side
382,247,402.94x = 139,632,915,361,743,808 - Step 5: Solve for x
x = 139,632,915,361,743,808/382,247,402.94 - Step 6: Final answer
x = 365,294,608.38
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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.