Finding the Fourth Proportional to 367,531,836.36, 507,204,753.12 and 202,530,034.68
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Solution
The fourth proportional to 367,531,836.36, 507,204,753.12 and 202,530,034.68 is: 279,497,409.68
Step by Step Solution
- Step 1: Write the proportion equation
367,531,836.36 : 507,204,753.12 = 202,530,034.68 : x - Step 2: Convert to fraction form
367,531,836.36/507,204,753.12 = 202,530,034.68/x - Step 3: Cross multiply
367,531,836.36x = 507,204,753.12 × 202,530,034.68 - Step 4: Simplify right side
367,531,836.36x = 102,724,196,239,254,448 - Step 5: Solve for x
x = 102,724,196,239,254,448/367,531,836.36 - Step 6: Final answer
x = 279,497,409.68
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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.