Finding the Fourth Proportional to 440,579,957.05, 608,044,936.08 and 252,433,207.50
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Solution
The fourth proportional to 440,579,957.05, 608,044,936.08 and 252,433,207.50 is: 348,383,377.55
Step by Step Solution
- Step 1: Write the proportion equation
440,579,957.05 : 608,044,936.08 = 252,433,207.50 : x - Step 2: Convert to fraction form
440,579,957.05/608,044,936.08 = 252,433,207.50/x - Step 3: Cross multiply
440,579,957.05x = 608,044,936.08 × 252,433,207.50 - Step 4: Simplify right side
440,579,957.05x = 153,490,733,517,473,344 - Step 5: Solve for x
x = 153,490,733,517,473,344/440,579,957.05 - Step 6: Final answer
x = 348,383,377.55
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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.