Finding the Fourth Proportional to 4,720,842,436.23, 6,517,702,677.71 and 3,005,159,644.13
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Solution
The fourth proportional to 4,720,842,436.23, 6,517,702,677.71 and 3,005,159,644.13 is: 4,148,991,906.43
Step by Step Solution
- Step 1: Write the proportion equation
4,720,842,436.23 : 6,517,702,677.71 = 3,005,159,644.13 : x - Step 2: Convert to fraction form
4,720,842,436.23/6,517,702,677.71 = 3,005,159,644.13/x - Step 3: Cross multiply
4,720,842,436.23x = 6,517,702,677.71 × 3,005,159,644.13 - Step 4: Simplify right side
4,720,842,436.23x = 19,586,737,059,467,055,104 - Step 5: Solve for x
x = 19,586,737,059,467,055,104/4,720,842,436.23 - Step 6: Final answer
x = 4,148,991,906.43
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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.