Finding the Fourth Proportional to 7,793,607,111.78, 11,691,497,317.50 and 2,409,687,361.11
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Solution
The fourth proportional to 7,793,607,111.78, 11,691,497,317.50 and 2,409,687,361.11 is: 3,614,867,020.41
Step by Step Solution
- Step 1: Write the proportion equation
7,793,607,111.78 : 11,691,497,317.50 = 2,409,687,361.11 : x - Step 2: Convert to fraction form
7,793,607,111.78/11,691,497,317.50 = 2,409,687,361.11/x - Step 3: Cross multiply
7,793,607,111.78x = 11,691,497,317.50 × 2,409,687,361.11 - Step 4: Simplify right side
7,793,607,111.78x = 28,172,853,318,431,219,712 - Step 5: Solve for x
x = 28,172,853,318,431,219,712/7,793,607,111.78 - Step 6: Final answer
x = 3,614,867,020.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.