Finding the Fourth Proportional to 886,004,134.11, 1,222,710,358.82 and 489,552,669.99
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Solution
The fourth proportional to 886,004,134.11, 1,222,710,358.82 and 489,552,669.99 is: 675,596,306.76
Step by Step Solution
- Step 1: Write the proportion equation
886,004,134.11 : 1,222,710,358.82 = 489,552,669.99 : x - Step 2: Convert to fraction form
886,004,134.11/1,222,710,358.82 = 489,552,669.99/x - Step 3: Cross multiply
886,004,134.11x = 1,222,710,358.82 × 489,552,669.99 - Step 4: Simplify right side
886,004,134.11x = 598,581,120,782,314,240 - Step 5: Solve for x
x = 598,581,120,782,314,240/886,004,134.11 - Step 6: Final answer
x = 675,596,306.76
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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.