Finding the Fourth Proportional to 6,511,104,490.80, 9,766,656,736.20 and 6,257,146,551.60
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Solution
The fourth proportional to 6,511,104,490.80, 9,766,656,736.20 and 6,257,146,551.60 is: 9,385,719,827.40
Step by Step Solution
- Step 1: Write the proportion equation
6,511,104,490.80 : 9,766,656,736.20 = 6,257,146,551.60 : x - Step 2: Convert to fraction form
6,511,104,490.80/9,766,656,736.20 = 6,257,146,551.60/x - Step 3: Cross multiply
6,511,104,490.80x = 9,766,656,736.20 × 6,257,146,551.60 - Step 4: Simplify right side
6,511,104,490.80x = 61,111,402,517,574,746,112 - Step 5: Solve for x
x = 61,111,402,517,574,746,112/6,511,104,490.80 - Step 6: Final answer
x = 9,385,719,827.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.