Finding the Fourth Proportional to 1,137,498,354.27, 1,569,796,207.79 and 635,707,123.11
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Solution
The fourth proportional to 1,137,498,354.27, 1,569,796,207.79 and 635,707,123.11 is: 877,302,923.01
Step by Step Solution
- Step 1: Write the proportion equation
1,137,498,354.27 : 1,569,796,207.79 = 635,707,123.11 : x - Step 2: Convert to fraction form
1,137,498,354.27/1,569,796,207.79 = 635,707,123.11/x - Step 3: Cross multiply
1,137,498,354.27x = 1,569,796,207.79 × 635,707,123.11 - Step 4: Simplify right side
1,137,498,354.27x = 997,930,631,119,990,272 - Step 5: Solve for x
x = 997,930,631,119,990,272/1,137,498,354.27 - Step 6: Final answer
x = 877,302,923.01
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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.