Finding the Fourth Proportional to 264,275,998.80, 396,413,998.20 and 195,401,245.20
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Solution
The fourth proportional to 264,275,998.80, 396,413,998.20 and 195,401,245.20 is: 293,101,867.80
Step by Step Solution
- Step 1: Write the proportion equation
264,275,998.80 : 396,413,998.20 = 195,401,245.20 : x - Step 2: Convert to fraction form
264,275,998.80/396,413,998.20 = 195,401,245.20/x - Step 3: Cross multiply
264,275,998.80x = 396,413,998.20 × 195,401,245.20 - Step 4: Simplify right side
264,275,998.80x = 77,459,788,862,990,544 - Step 5: Solve for x
x = 77,459,788,862,990,544/264,275,998.80 - Step 6: Final answer
x = 293,101,867.80
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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.