Finding the Fourth Proportional to 1,716,127,680.61, 2,574,215,435.90 and 489,296,132.11
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Solution
The fourth proportional to 1,716,127,680.61, 2,574,215,435.90 and 489,296,132.11 is: 733,951,016.72
Step by Step Solution
- Step 1: Write the proportion equation
1,716,127,680.61 : 2,574,215,435.90 = 489,296,132.11 : x - Step 2: Convert to fraction form
1,716,127,680.61/2,574,215,435.90 = 489,296,132.11/x - Step 3: Cross multiply
1,716,127,680.61x = 2,574,215,435.90 × 489,296,132.11 - Step 4: Simplify right side
1,716,127,680.61x = 1,259,553,656,003,727,616 - Step 5: Solve for x
x = 1,259,553,656,003,727,616/1,716,127,680.61 - Step 6: Final answer
x = 733,951,016.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.