Finding the Fourth Proportional to 354,067,523.06, 488,614,700.88 and 193,135,013.65
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Solution
The fourth proportional to 354,067,523.06, 488,614,700.88 and 193,135,013.65 is: 266,527,147.45
Step by Step Solution
- Step 1: Write the proportion equation
354,067,523.06 : 488,614,700.88 = 193,135,013.65 : x - Step 2: Convert to fraction form
354,067,523.06/488,614,700.88 = 193,135,013.65/x - Step 3: Cross multiply
354,067,523.06x = 488,614,700.88 × 193,135,013.65 - Step 4: Simplify right side
354,067,523.06x = 94,368,606,925,573,952 - Step 5: Solve for x
x = 94,368,606,925,573,952/354,067,523.06 - Step 6: Final answer
x = 266,527,147.45
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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.