Finding the Fourth Proportional to 4,731,190,643.10, 6,531,053,436.63 and 2,947,925,156.05
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Solution
The fourth proportional to 4,731,190,643.10, 6,531,053,436.63 and 2,947,925,156.05 is: 4,069,389,330.03
Step by Step Solution
- Step 1: Write the proportion equation
4,731,190,643.10 : 6,531,053,436.63 = 2,947,925,156.05 : x - Step 2: Convert to fraction form
4,731,190,643.10/6,531,053,436.63 = 2,947,925,156.05/x - Step 3: Cross multiply
4,731,190,643.10x = 6,531,053,436.63 × 2,947,925,156.05 - Step 4: Simplify right side
4,731,190,643.10x = 19,253,056,721,348,382,720 - Step 5: Solve for x
x = 19,253,056,721,348,382,720/4,731,190,643.10 - Step 6: Final answer
x = 4,069,389,330.03
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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.