Finding the Fourth Proportional to 364,917,547.92, 503,582,207.04 and 197,649,647.76
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Solution
The fourth proportional to 364,917,547.92, 503,582,207.04 and 197,649,647.76 is: 272,754,342.47
Step by Step Solution
- Step 1: Write the proportion equation
364,917,547.92 : 503,582,207.04 = 197,649,647.76 : x - Step 2: Convert to fraction form
364,917,547.92/503,582,207.04 = 197,649,647.76/x - Step 3: Cross multiply
364,917,547.92x = 503,582,207.04 × 197,649,647.76 - Step 4: Simplify right side
364,917,547.92x = 99,532,845,839,659,392 - Step 5: Solve for x
x = 99,532,845,839,659,392/364,917,547.92 - Step 6: Final answer
x = 272,754,342.47
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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.