Finding the Fourth Proportional to 1,621,820,476,901.20, 2,238,114,474,450 and 880,227,324,207.08
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Solution
The fourth proportional to 1,621,820,476,901.20, 2,238,114,474,450 and 880,227,324,207.08 is: 1,214,714,910,295.38
Step by Step Solution
- Step 1: Write the proportion equation
1,621,820,476,901.20 : 2,238,114,474,450 = 880,227,324,207.08 : x - Step 2: Convert to fraction form
1,621,820,476,901.20/2,238,114,474,450 = 880,227,324,207.08/x - Step 3: Cross multiply
1,621,820,476,901.20x = 2,238,114,474,450 × 880,227,324,207.08 - Step 4: Simplify right side
1,621,820,476,901.20x = 1,970,049,515,114,258,466,078,720 - Step 5: Solve for x
x = 1,970,049,515,114,258,466,078,720/1,621,820,476,901.20 - Step 6: Final answer
x = 1,214,714,910,295.38
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Double scale
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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.