Finding the Fourth Proportional to 3,577,745,231.73, 5,369,069,243.21 and 1,248,682,213.31
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Solution
The fourth proportional to 3,577,745,231.73, 5,369,069,243.21 and 1,248,682,213.31 is: 1,873,878,890.69
Step by Step Solution
- Step 1: Write the proportion equation
3,577,745,231.73 : 5,369,069,243.21 = 1,248,682,213.31 : x - Step 2: Convert to fraction form
3,577,745,231.73/5,369,069,243.21 = 1,248,682,213.31/x - Step 3: Cross multiply
3,577,745,231.73x = 5,369,069,243.21 × 1,248,682,213.31 - Step 4: Simplify right side
3,577,745,231.73x = 6,704,261,265,993,021,440 - Step 5: Solve for x
x = 6,704,261,265,993,021,440/3,577,745,231.73 - Step 6: Final answer
x = 1,873,878,890.69
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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.