Finding the Fourth Proportional to 696,299,019,208.75, 1,044,925,618,204.90 and 243,017,923,173.42
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Solution
The fourth proportional to 696,299,019,208.75, 1,044,925,618,204.90 and 243,017,923,173.42 is: 364,693,395,511.92
Step by Step Solution
- Step 1: Write the proportion equation
696,299,019,208.75 : 1,044,925,618,204.90 = 243,017,923,173.42 : x - Step 2: Convert to fraction form
696,299,019,208.75/1,044,925,618,204.90 = 243,017,923,173.42/x - Step 3: Cross multiply
696,299,019,208.75x = 1,044,925,618,204.90 × 243,017,923,173.42 - Step 4: Simplify right side
696,299,019,208.75x = 253,935,653,606,856,822,095,872 - Step 5: Solve for x
x = 253,935,653,606,856,822,095,872/696,299,019,208.75 - Step 6: Final answer
x = 364,693,395,511.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.