Finding the Fourth Proportional to 1,087,863,147,328.90, 1,631,182,413,896.40 and 361,405,561,043
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Solution
The fourth proportional to 1,087,863,147,328.90, 1,631,182,413,896.40 and 361,405,561,043 is: 541,904,923,340.02
Step by Step Solution
- Step 1: Write the proportion equation
1,087,863,147,328.90 : 1,631,182,413,896.40 = 361,405,561,043 : x - Step 2: Convert to fraction form
1,087,863,147,328.90/1,631,182,413,896.40 = 361,405,561,043/x - Step 3: Cross multiply
1,087,863,147,328.90x = 1,631,182,413,896.40 × 361,405,561,043 - Step 4: Simplify right side
1,087,863,147,328.90x = 589,518,395,457,703,445,004,288 - Step 5: Solve for x
x = 589,518,395,457,703,445,004,288/1,087,863,147,328.90 - Step 6: Final answer
x = 541,904,923,340.02
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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.