Finding the Fourth Proportional to 252,623,827.89, 378,545,152.14 and 197,160,154.38
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Solution
The fourth proportional to 252,623,827.89, 378,545,152.14 and 197,160,154.38 is: 295,435,396.02
Step by Step Solution
- Step 1: Write the proportion equation
252,623,827.89 : 378,545,152.14 = 197,160,154.38 : x - Step 2: Convert to fraction form
252,623,827.89/378,545,152.14 = 197,160,154.38/x - Step 3: Cross multiply
252,623,827.89x = 378,545,152.14 × 197,160,154.38 - Step 4: Simplify right side
252,623,827.89x = 74,634,020,635,722,976 - Step 5: Solve for x
x = 74,634,020,635,722,976/252,623,827.89 - Step 6: Final answer
x = 295,435,396.02
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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.