Finding the Fourth Proportional to 6,915,524,552, 9,543,421,860.16 and 3,743,706,115.20
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Solution
The fourth proportional to 6,915,524,552, 9,543,421,860.16 and 3,743,706,115.20 is: 5,166,313,344.59
Step by Step Solution
- Step 1: Write the proportion equation
6,915,524,552 : 9,543,421,860.16 = 3,743,706,115.20 : x - Step 2: Convert to fraction form
6,915,524,552/9,543,421,860.16 = 3,743,706,115.20/x - Step 3: Cross multiply
6,915,524,552x = 9,543,421,860.16 × 3,743,706,115.20 - Step 4: Simplify right side
6,915,524,552x = 35,727,766,777,814,347,776 - Step 5: Solve for x
x = 35,727,766,777,814,347,776/6,915,524,552 - Step 6: Final answer
x = 5,166,313,344.59
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1.5x scale
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.