Finding the Fourth Proportional to 504,440,108.46, 696,175,265.97 and 316,298,184.66
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Solution
The fourth proportional to 504,440,108.46, 696,175,265.97 and 316,298,184.66 is: 436,521,539.70
Step by Step Solution
- Step 1: Write the proportion equation
504,440,108.46 : 696,175,265.97 = 316,298,184.66 : x - Step 2: Convert to fraction form
504,440,108.46/696,175,265.97 = 316,298,184.66/x - Step 3: Cross multiply
504,440,108.46x = 696,175,265.97 × 316,298,184.66 - Step 4: Simplify right side
504,440,108.46x = 220,198,972,831,503,712 - Step 5: Solve for x
x = 220,198,972,831,503,712/504,440,108.46 - Step 6: Final answer
x = 436,521,539.70
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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.