Finding the Fourth Proportional to 2,649,913,640.51, 3,657,024,633.41 and 1,520,874,377.19
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Solution
The fourth proportional to 2,649,913,640.51, 3,657,024,633.41 and 1,520,874,377.19 is: 2,098,889,177.63
Step by Step Solution
- Step 1: Write the proportion equation
2,649,913,640.51 : 3,657,024,633.41 = 1,520,874,377.19 : x - Step 2: Convert to fraction form
2,649,913,640.51/3,657,024,633.41 = 1,520,874,377.19/x - Step 3: Cross multiply
2,649,913,640.51x = 3,657,024,633.41 × 1,520,874,377.19 - Step 4: Simplify right side
2,649,913,640.51x = 5,561,875,061,698,318,336 - Step 5: Solve for x
x = 5,561,875,061,698,318,336/2,649,913,640.51 - Step 6: Final answer
x = 2,098,889,177.63
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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.