Finding the Fourth Proportional to 1,626,185,748.48, 2,244,131,447.04 and 883,632,076.80
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Solution
The fourth proportional to 1,626,185,748.48, 2,244,131,447.04 and 883,632,076.80 is: 1,219,409,611.12
Step by Step Solution
- Step 1: Write the proportion equation
1,626,185,748.48 : 2,244,131,447.04 = 883,632,076.80 : x - Step 2: Convert to fraction form
1,626,185,748.48/2,244,131,447.04 = 883,632,076.80/x - Step 3: Cross multiply
1,626,185,748.48x = 2,244,131,447.04 × 883,632,076.80 - Step 4: Simplify right side
1,626,185,748.48x = 1,982,986,531,160,144,384 - Step 5: Solve for x
x = 1,982,986,531,160,144,384/1,626,185,748.48 - Step 6: Final answer
x = 1,219,409,611.12
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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.