Finding the Fourth Proportional to 1,831,805,552,143.70, 2,748,963,442,775.60 and 639,325,286,717.76
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Solution
The fourth proportional to 1,831,805,552,143.70, 2,748,963,442,775.60 and 639,325,286,717.76 is: 959,425,982,289.68
Step by Step Solution
- Step 1: Write the proportion equation
1,831,805,552,143.70 : 2,748,963,442,775.60 = 639,325,286,717.76 : x - Step 2: Convert to fraction form
1,831,805,552,143.70/2,748,963,442,775.60 = 639,325,286,717.76/x - Step 3: Cross multiply
1,831,805,552,143.70x = 2,748,963,442,775.60 × 639,325,286,717.76 - Step 4: Simplify right side
1,831,805,552,143.70x = 1,757,481,841,229,151,216,861,184 - Step 5: Solve for x
x = 1,757,481,841,229,151,216,861,184/1,831,805,552,143.70 - Step 6: Final answer
x = 959,425,982,289.68
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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.