Finding the Fourth Proportional to 6,721,284,327.80, 10,081,926,491.70 and 3,621,920,415.80
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Solution
The fourth proportional to 6,721,284,327.80, 10,081,926,491.70 and 3,621,920,415.80 is: 5,432,880,623.70
Step by Step Solution
- Step 1: Write the proportion equation
6,721,284,327.80 : 10,081,926,491.70 = 3,621,920,415.80 : x - Step 2: Convert to fraction form
6,721,284,327.80/10,081,926,491.70 = 3,621,920,415.80/x - Step 3: Cross multiply
6,721,284,327.80x = 10,081,926,491.70 × 3,621,920,415.80 - Step 4: Simplify right side
6,721,284,327.80x = 36,515,935,390,883,102,720 - Step 5: Solve for x
x = 36,515,935,390,883,102,720/6,721,284,327.80 - Step 6: Final answer
x = 5,432,880,623.70
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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.