Finding the Fourth Proportional to 379,768,105.84, 569,648,958.70 and 296,839,612.84
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Solution
The fourth proportional to 379,768,105.84, 569,648,958.70 and 296,839,612.84 is: 445,256,917.98
Step by Step Solution
- Step 1: Write the proportion equation
379,768,105.84 : 569,648,958.70 = 296,839,612.84 : x - Step 2: Convert to fraction form
379,768,105.84/569,648,958.70 = 296,839,612.84/x - Step 3: Cross multiply
379,768,105.84x = 569,648,958.70 × 296,839,612.84 - Step 4: Simplify right side
379,768,105.84x = 169,094,376,355,217,152 - Step 5: Solve for x
x = 169,094,376,355,217,152/379,768,105.84 - Step 6: Final answer
x = 445,256,917.98
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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.