Finding the Fourth Proportional to 5,016,413,974.71, 6,922,850,750.43 and 2,758,538,613.99
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Solution
The fourth proportional to 5,016,413,974.71, 6,922,850,750.43 and 2,758,538,613.99 is: 3,806,892,973.79
Step by Step Solution
- Step 1: Write the proportion equation
5,016,413,974.71 : 6,922,850,750.43 = 2,758,538,613.99 : x - Step 2: Convert to fraction form
5,016,413,974.71/6,922,850,750.43 = 2,758,538,613.99/x - Step 3: Cross multiply
5,016,413,974.71x = 6,922,850,750.43 × 2,758,538,613.99 - Step 4: Simplify right side
5,016,413,974.71x = 19,096,951,113,950,801,920 - Step 5: Solve for x
x = 19,096,951,113,950,801,920/5,016,413,974.71 - Step 6: Final answer
x = 3,806,892,973.79
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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.