Finding the Fourth Proportional to 4,137,213,204.79, 5,709,475,351.79 and 2,257,739,631.34
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Solution
The fourth proportional to 4,137,213,204.79, 5,709,475,351.79 and 2,257,739,631.34 is: 3,115,746,793.27
Step by Step Solution
- Step 1: Write the proportion equation
4,137,213,204.79 : 5,709,475,351.79 = 2,257,739,631.34 : x - Step 2: Convert to fraction form
4,137,213,204.79/5,709,475,351.79 = 2,257,739,631.34/x - Step 3: Cross multiply
4,137,213,204.79x = 5,709,475,351.79 × 2,257,739,631.34 - Step 4: Simplify right side
4,137,213,204.79x = 12,890,508,775,877,511,168 - Step 5: Solve for x
x = 12,890,508,775,877,511,168/4,137,213,204.79 - Step 6: Final answer
x = 3,115,746,793.27
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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.