Finding the Fourth Proportional to 364,917,541.42, 503,582,198.07 and 197,649,641.26
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Solution
The fourth proportional to 364,917,541.42, 503,582,198.07 and 197,649,641.26 is: 272,754,333.50
Step by Step Solution
- Step 1: Write the proportion equation
364,917,541.42 : 503,582,198.07 = 197,649,641.26 : x - Step 2: Convert to fraction form
364,917,541.42/503,582,198.07 = 197,649,641.26/x - Step 3: Cross multiply
364,917,541.42x = 503,582,198.07 × 197,649,641.26 - Step 4: Simplify right side
364,917,541.42x = 99,532,840,793,457,760 - Step 5: Solve for x
x = 99,532,840,793,457,760/364,917,541.42 - Step 6: Final answer
x = 272,754,333.50
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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.