Finding the Fourth Proportional to 3,720,836,360.21, 5,582,071,780.32 and 1,100,436,179.09
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Solution
The fourth proportional to 3,720,836,360.21, 5,582,071,780.32 and 1,100,436,179.09 is: 1,650,895,967.11
Step by Step Solution
- Step 1: Write the proportion equation
3,720,836,360.21 : 5,582,071,780.32 = 1,100,436,179.09 : x - Step 2: Convert to fraction form
3,720,836,360.21/5,582,071,780.32 = 1,100,436,179.09/x - Step 3: Cross multiply
3,720,836,360.21x = 5,582,071,780.32 × 1,100,436,179.09 - Step 4: Simplify right side
3,720,836,360.21x = 6,142,713,741,348,985,856 - Step 5: Solve for x
x = 6,142,713,741,348,985,856/3,720,836,360.21 - Step 6: Final answer
x = 1,650,895,967.11
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1.5x scale
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.