Finding the Fourth Proportional to 1,872,229,113.20, 2,582,432,122.62 and 1,204,018,970.12
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Solution
The fourth proportional to 1,872,229,113.20, 2,582,432,122.62 and 1,204,018,970.12 is: 1,660,746,135.59
Step by Step Solution
- Step 1: Write the proportion equation
1,872,229,113.20 : 2,582,432,122.62 = 1,204,018,970.12 : x - Step 2: Convert to fraction form
1,872,229,113.20/2,582,432,122.62 = 1,204,018,970.12/x - Step 3: Cross multiply
1,872,229,113.20x = 2,582,432,122.62 × 1,204,018,970.12 - Step 4: Simplify right side
1,872,229,113.20x = 3,109,297,264,681,737,728 - Step 5: Solve for x
x = 3,109,297,264,681,737,728/1,872,229,113.20 - Step 6: Final answer
x = 1,660,746,135.59
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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.