Finding the Fourth Proportional to 4,137,213,204.89, 5,709,475,351.92 and 2,257,739,631.44
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Solution
The fourth proportional to 4,137,213,204.89, 5,709,475,351.92 and 2,257,739,631.44 is: 3,115,746,793.40
Step by Step Solution
- Step 1: Write the proportion equation
4,137,213,204.89 : 5,709,475,351.92 = 2,257,739,631.44 : x - Step 2: Convert to fraction form
4,137,213,204.89/5,709,475,351.92 = 2,257,739,631.44/x - Step 3: Cross multiply
4,137,213,204.89x = 5,709,475,351.92 × 2,257,739,631.44 - Step 4: Simplify right side
4,137,213,204.89x = 12,890,508,776,731,076,608 - Step 5: Solve for x
x = 12,890,508,776,731,076,608/4,137,213,204.89 - Step 6: Final answer
x = 3,115,746,793.40
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1.5x scale
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.