Finding the Fourth Proportional to 275,278,423.73, 379,916,572.82 and 154,596,244.68
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Solution
The fourth proportional to 275,278,423.73, 379,916,572.82 and 154,596,244.68 is: 213,360,984.32
Step by Step Solution
- Step 1: Write the proportion equation
275,278,423.73 : 379,916,572.82 = 154,596,244.68 : x - Step 2: Convert to fraction form
275,278,423.73/379,916,572.82 = 154,596,244.68/x - Step 3: Cross multiply
275,278,423.73x = 379,916,572.82 × 154,596,244.68 - Step 4: Simplify right side
275,278,423.73x = 58,733,675,448,894,776 - Step 5: Solve for x
x = 58,733,675,448,894,776/275,278,423.73 - Step 6: Final answer
x = 213,360,984.32
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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.