Finding the Fourth Proportional to 504,440,128.96, 696,175,294.26 and 316,298,205.16
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Solution
The fourth proportional to 504,440,128.96, 696,175,294.26 and 316,298,205.16 is: 436,521,567.99
Step by Step Solution
- Step 1: Write the proportion equation
504,440,128.96 : 696,175,294.26 = 316,298,205.16 : x - Step 2: Convert to fraction form
504,440,128.96/696,175,294.26 = 316,298,205.16/x - Step 3: Cross multiply
504,440,128.96x = 696,175,294.26 × 316,298,205.16 - Step 4: Simplify right side
504,440,128.96x = 220,198,996,051,172,864 - Step 5: Solve for x
x = 220,198,996,051,172,864/504,440,128.96 - Step 6: Final answer
x = 436,521,567.99
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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.