Finding the Fourth Proportional to 3,950,913,352.80, 5,926,366,915.92 and 1,190,542,401.12
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Solution
The fourth proportional to 3,950,913,352.80, 5,926,366,915.92 and 1,190,542,401.12 is: 1,785,812,663.54
Step by Step Solution
- Step 1: Write the proportion equation
3,950,913,352.80 : 5,926,366,915.92 = 1,190,542,401.12 : x - Step 2: Convert to fraction form
3,950,913,352.80/5,926,366,915.92 = 1,190,542,401.12/x - Step 3: Cross multiply
3,950,913,352.80x = 5,926,366,915.92 × 1,190,542,401.12 - Step 4: Simplify right side
3,950,913,352.80x = 7,055,591,097,997,524,992 - Step 5: Solve for x
x = 7,055,591,097,997,524,992/3,950,913,352.80 - Step 6: Final answer
x = 1,785,812,663.54
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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.