Finding the Fourth Proportional to 488,839,291.74, 674,577,687.80 and 277,160,362.74
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Solution
The fourth proportional to 488,839,291.74, 674,577,687.80 and 277,160,362.74 is: 382,469,657.83
Step by Step Solution
- Step 1: Write the proportion equation
488,839,291.74 : 674,577,687.80 = 277,160,362.74 : x - Step 2: Convert to fraction form
488,839,291.74/674,577,687.80 = 277,160,362.74/x - Step 3: Cross multiply
488,839,291.74x = 674,577,687.80 × 277,160,362.74 - Step 4: Simplify right side
488,839,291.74x = 186,966,196,647,651,392 - Step 5: Solve for x
x = 186,966,196,647,651,392/488,839,291.74 - Step 6: Final answer
x = 382,469,657.83
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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.