Finding the Fourth Proportional to 2,016,440,690.80, 3,027,117,474.60 and 1,279,509,170.80
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Solution
The fourth proportional to 2,016,440,690.80, 3,027,117,474.60 and 1,279,509,170.80 is: 1,920,822,460.84
Step by Step Solution
- Step 1: Write the proportion equation
2,016,440,690.80 : 3,027,117,474.60 = 1,279,509,170.80 : x - Step 2: Convert to fraction form
2,016,440,690.80/3,027,117,474.60 = 1,279,509,170.80/x - Step 3: Cross multiply
2,016,440,690.80x = 3,027,117,474.60 × 1,279,509,170.80 - Step 4: Simplify right side
2,016,440,690.80x = 3,873,224,569,839,635,968 - Step 5: Solve for x
x = 3,873,224,569,839,635,968/2,016,440,690.80 - Step 6: Final answer
x = 1,920,822,460.84
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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.