Finding the Fourth Proportional to 1,824,548,035,599.20, 2,517,878,782,497.20 and 990,255,738,822.40
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Solution
The fourth proportional to 1,824,548,035,599.20, 2,517,878,782,497.20 and 990,255,738,822.40 is: 1,366,554,272,827.45
Step by Step Solution
- Step 1: Write the proportion equation
1,824,548,035,599.20 : 2,517,878,782,497.20 = 990,255,738,822.40 : x - Step 2: Convert to fraction form
1,824,548,035,599.20/2,517,878,782,497.20 = 990,255,738,822.40/x - Step 3: Cross multiply
1,824,548,035,599.20x = 2,517,878,782,497.20 × 990,255,738,822.40 - Step 4: Simplify right side
1,824,548,035,599.20x = 2,493,343,914,027,010,247,098,368 - Step 5: Solve for x
x = 2,493,343,914,027,010,247,098,368/1,824,548,035,599.20 - Step 6: Final answer
x = 1,366,554,272,827.45
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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.