Finding the Fourth Proportional to 377,376,348.70, 519,624,363.81 and 376,286,728.58
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Solution
The fourth proportional to 377,376,348.70, 519,624,363.81 and 376,286,728.58 is: 518,124,022.93
Step by Step Solution
- Step 1: Write the proportion equation
377,376,348.70 : 519,624,363.81 = 376,286,728.58 : x - Step 2: Convert to fraction form
377,376,348.70/519,624,363.81 = 376,286,728.58/x - Step 3: Cross multiply
377,376,348.70x = 519,624,363.81 × 376,286,728.58 - Step 4: Simplify right side
377,376,348.70x = 195,527,751,949,290,208 - Step 5: Solve for x
x = 195,527,751,949,290,208/377,376,348.70 - Step 6: Final answer
x = 518,124,022.93
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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.