Finding the Fourth Proportional to 297,757,091.38, 410,902,518.36 and 163,792,130.31
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Solution
The fourth proportional to 297,757,091.38, 410,902,518.36 and 163,792,130.31 is: 226,031,892.38
Step by Step Solution
- Step 1: Write the proportion equation
297,757,091.38 : 410,902,518.36 = 163,792,130.31 : x - Step 2: Convert to fraction form
297,757,091.38/410,902,518.36 = 163,792,130.31/x - Step 3: Cross multiply
297,757,091.38x = 410,902,518.36 × 163,792,130.31 - Step 4: Simplify right side
297,757,091.38x = 67,302,598,832,337,768 - Step 5: Solve for x
x = 67,302,598,832,337,768/297,757,091.38 - Step 6: Final answer
x = 226,031,892.38
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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.