Finding the Fourth Proportional to 358,372,417,443.99, 494,554,134,496.50 and 193,573,935,775.82
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Solution
The fourth proportional to 358,372,417,443.99, 494,554,134,496.50 and 193,573,935,775.82 is: 267,132,138,548.73
Step by Step Solution
- Step 1: Write the proportion equation
358,372,417,443.99 : 494,554,134,496.50 = 193,573,935,775.82 : x - Step 2: Convert to fraction form
358,372,417,443.99/494,554,134,496.50 = 193,573,935,775.82/x - Step 3: Cross multiply
358,372,417,443.99x = 494,554,134,496.50 × 193,573,935,775.82 - Step 4: Simplify right side
358,372,417,443.99x = 95,732,790,268,691,746,914,304 - Step 5: Solve for x
x = 95,732,790,268,691,746,914,304/358,372,417,443.99 - Step 6: Final answer
x = 267,132,138,548.73
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1.5x scale
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.