Finding the Fourth Proportional to 379,176,743,602.18, 523,302,906,767.08 and 230,701,177,490.90
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Solution
The fourth proportional to 379,176,743,602.18, 523,302,906,767.08 and 230,701,177,490.90 is: 318,391,353,933.45
Step by Step Solution
- Step 1: Write the proportion equation
379,176,743,602.18 : 523,302,906,767.08 = 230,701,177,490.90 : x - Step 2: Convert to fraction form
379,176,743,602.18/523,302,906,767.08 = 230,701,177,490.90/x - Step 3: Cross multiply
379,176,743,602.18x = 523,302,906,767.08 × 230,701,177,490.90 - Step 4: Simplify right side
379,176,743,602.18x = 120,726,596,775,576,021,762,048 - Step 5: Solve for x
x = 120,726,596,775,576,021,762,048/379,176,743,602.18 - Step 6: Final answer
x = 318,391,353,933.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.