Finding the Fourth Proportional to 3,872,578,638.96, 5,796,843,839.58 and 2,097,540,898.32
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Solution
The fourth proportional to 3,872,578,638.96, 5,796,843,839.58 and 2,097,540,898.32 is: 3,139,798,611.80
Step by Step Solution
- Step 1: Write the proportion equation
3,872,578,638.96 : 5,796,843,839.58 = 2,097,540,898.32 : x - Step 2: Convert to fraction form
3,872,578,638.96/5,796,843,839.58 = 2,097,540,898.32/x - Step 3: Cross multiply
3,872,578,638.96x = 5,796,843,839.58 × 2,097,540,898.32 - Step 4: Simplify right side
3,872,578,638.96x = 12,159,117,034,693,390,336 - Step 5: Solve for x
x = 12,159,117,034,693,390,336/3,872,578,638.96 - Step 6: Final answer
x = 3,139,798,611.80
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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.