Finding the Fourth Proportional to 2,135,384,456.70, 3,203,076,685.05 and 1,676,737,314.30
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Solution
The fourth proportional to 2,135,384,456.70, 3,203,076,685.05 and 1,676,737,314.30 is: 2,515,105,971.45
Step by Step Solution
- Step 1: Write the proportion equation
2,135,384,456.70 : 3,203,076,685.05 = 1,676,737,314.30 : x - Step 2: Convert to fraction form
2,135,384,456.70/3,203,076,685.05 = 1,676,737,314.30/x - Step 3: Cross multiply
2,135,384,456.70x = 3,203,076,685.05 × 1,676,737,314.30 - Step 4: Simplify right side
2,135,384,456.70x = 5,370,718,198,387,684,352 - Step 5: Solve for x
x = 5,370,718,198,387,684,352/2,135,384,456.70 - Step 6: Final answer
x = 2,515,105,971.45
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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.