Finding the Fourth Proportional to 2,740,496,678.82, 3,781,889,564.49 and 1,487,433,988.26
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Solution
The fourth proportional to 2,740,496,678.82, 3,781,889,564.49 and 1,487,433,988.26 is: 2,052,661,155.02
Step by Step Solution
- Step 1: Write the proportion equation
2,740,496,678.82 : 3,781,889,564.49 = 1,487,433,988.26 : x - Step 2: Convert to fraction form
2,740,496,678.82/3,781,889,564.49 = 1,487,433,988.26/x - Step 3: Cross multiply
2,740,496,678.82x = 3,781,889,564.49 × 1,487,433,988.26 - Step 4: Simplify right side
2,740,496,678.82x = 5,625,311,078,068,235,264 - Step 5: Solve for x
x = 5,625,311,078,068,235,264/2,740,496,678.82 - Step 6: Final answer
x = 2,052,661,155.02
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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.