Finding the Fourth Proportional to 488,839,293.74, 674,577,690.56 and 277,160,364.74
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Solution
The fourth proportional to 488,839,293.74, 674,577,690.56 and 277,160,364.74 is: 382,469,660.59
Step by Step Solution
- Step 1: Write the proportion equation
488,839,293.74 : 674,577,690.56 = 277,160,364.74 : x - Step 2: Convert to fraction form
488,839,293.74/674,577,690.56 = 277,160,364.74/x - Step 3: Cross multiply
488,839,293.74x = 674,577,690.56 × 277,160,364.74 - Step 4: Simplify right side
488,839,293.74x = 186,966,198,761,076,448 - Step 5: Solve for x
x = 186,966,198,761,076,448/488,839,293.74 - Step 6: Final answer
x = 382,469,660.59
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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.