Finding the Fourth Proportional to 4,845,790,981.74, 6,687,178,337.04 and 2,702,399,969.50
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Solution
The fourth proportional to 4,845,790,981.74, 6,687,178,337.04 and 2,702,399,969.50 is: 3,729,304,586.63
Step by Step Solution
- Step 1: Write the proportion equation
4,845,790,981.74 : 6,687,178,337.04 = 2,702,399,969.50 : x - Step 2: Convert to fraction form
4,845,790,981.74/6,687,178,337.04 = 2,702,399,969.50/x - Step 3: Cross multiply
4,845,790,981.74x = 6,687,178,337.04 × 2,702,399,969.50 - Step 4: Simplify right side
4,845,790,981.74x = 18,071,430,534,057,957,376 - Step 5: Solve for x
x = 18,071,430,534,057,957,376/4,845,790,981.74 - Step 6: Final answer
x = 3,729,304,586.63
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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.