Finding the Fourth Proportional to 1,728,700,823.08, 2,383,236,320.25 and 1,093,304,627.20
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Solution
The fourth proportional to 1,728,700,823.08, 2,383,236,320.25 and 1,093,304,627.20 is: 1,507,260,979.95
Step by Step Solution
- Step 1: Write the proportion equation
1,728,700,823.08 : 2,383,236,320.25 = 1,093,304,627.20 : x - Step 2: Convert to fraction form
1,728,700,823.08/2,383,236,320.25 = 1,093,304,627.20/x - Step 3: Cross multiply
1,728,700,823.08x = 2,383,236,320.25 × 1,093,304,627.20 - Step 4: Simplify right side
1,728,700,823.08x = 2,605,603,296,640,425,984 - Step 5: Solve for x
x = 2,605,603,296,640,425,984/1,728,700,823.08 - Step 6: Final answer
x = 1,507,260,979.95
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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.