Finding the Fourth Proportional to 3,653,893,174.19, 5,041,796,621.97 and 2,128,232,403.23
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Solution
The fourth proportional to 3,653,893,174.19, 5,041,796,621.97 and 2,128,232,403.23 is: 2,936,625,245.96
Step by Step Solution
- Step 1: Write the proportion equation
3,653,893,174.19 : 5,041,796,621.97 = 2,128,232,403.23 : x - Step 2: Convert to fraction form
3,653,893,174.19/5,041,796,621.97 = 2,128,232,403.23/x - Step 3: Cross multiply
3,653,893,174.19x = 5,041,796,621.97 × 2,128,232,403.23 - Step 4: Simplify right side
3,653,893,174.19x = 10,730,114,941,355,411,456 - Step 5: Solve for x
x = 10,730,114,941,355,411,456/3,653,893,174.19 - Step 6: Final answer
x = 2,936,625,245.96
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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.