Finding the Fourth Proportional to 3,653,893,152.81, 5,041,796,592.53 and 2,128,232,381.80
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Solution
The fourth proportional to 3,653,893,152.81, 5,041,796,592.53 and 2,128,232,381.80 is: 2,936,625,216.42
Step by Step Solution
- Step 1: Write the proportion equation
3,653,893,152.81 : 5,041,796,592.53 = 2,128,232,381.80 : x - Step 2: Convert to fraction form
3,653,893,152.81/5,041,796,592.53 = 2,128,232,381.80/x - Step 3: Cross multiply
3,653,893,152.81x = 5,041,796,592.53 × 2,128,232,381.80 - Step 4: Simplify right side
3,653,893,152.81x = 10,730,114,770,662,340,608 - Step 5: Solve for x
x = 10,730,114,770,662,340,608/3,653,893,152.81 - Step 6: Final answer
x = 2,936,625,216.42
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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.