Finding the Fourth Proportional to 303,562,244.16, 418,915,808.64 and 164,332,903.68
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Solution
The fourth proportional to 303,562,244.16, 418,915,808.64 and 164,332,903.68 is: 226,779,359.28
Step by Step Solution
- Step 1: Write the proportion equation
303,562,244.16 : 418,915,808.64 = 164,332,903.68 : x - Step 2: Convert to fraction form
303,562,244.16/418,915,808.64 = 164,332,903.68/x - Step 3: Cross multiply
303,562,244.16x = 418,915,808.64 × 164,332,903.68 - Step 4: Simplify right side
303,562,244.16x = 68,841,651,231,266,432 - Step 5: Solve for x
x = 68,841,651,231,266,432/303,562,244.16 - Step 6: Final answer
x = 226,779,359.28
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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.