Finding the Fourth Proportional to 7,991,497,282,838.90, 11,989,827,512,348 and 3,696,538,370,519.60
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Solution
The fourth proportional to 7,991,497,282,838.90, 11,989,827,512,348 and 3,696,538,370,519.60 is: 5,546,001,692,383.91
Step by Step Solution
- Step 1: Write the proportion equation
7,991,497,282,838.90 : 11,989,827,512,348 = 3,696,538,370,519.60 : x - Step 2: Convert to fraction form
7,991,497,282,838.90/11,989,827,512,348 = 3,696,538,370,519.60/x - Step 3: Cross multiply
7,991,497,282,838.90x = 11,989,827,512,348 × 3,696,538,370,519.60 - Step 4: Simplify right side
7,991,497,282,838.90x = 44,320,857,455,305,946,919,075,840 - Step 5: Solve for x
x = 44,320,857,455,305,946,919,075,840/7,991,497,282,838.90 - Step 6: Final answer
x = 5,546,001,692,383.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.