Finding the Fourth Proportional to 1,814,625,975.32, 2,504,086,695.78 and 999,862,106.13
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Solution
The fourth proportional to 1,814,625,975.32, 2,504,086,695.78 and 999,862,106.13 is: 1,379,756,176.55
Step by Step Solution
- Step 1: Write the proportion equation
1,814,625,975.32 : 2,504,086,695.78 = 999,862,106.13 : x - Step 2: Convert to fraction form
1,814,625,975.32/2,504,086,695.78 = 999,862,106.13/x - Step 3: Cross multiply
1,814,625,975.32x = 2,504,086,695.78 × 999,862,106.13 - Step 4: Simplify right side
1,814,625,975.32x = 2,503,741,397,575,809,024 - Step 5: Solve for x
x = 2,503,741,397,575,809,024/1,814,625,975.32 - Step 6: Final answer
x = 1,379,756,176.55
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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.