Finding the Fourth Proportional to 440,348,438.10, 660,522,657.15 and 295,229,615.70
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Solution
The fourth proportional to 440,348,438.10, 660,522,657.15 and 295,229,615.70 is: 442,844,423.55
Step by Step Solution
- Step 1: Write the proportion equation
440,348,438.10 : 660,522,657.15 = 295,229,615.70 : x - Step 2: Convert to fraction form
440,348,438.10/660,522,657.15 = 295,229,615.70/x - Step 3: Cross multiply
440,348,438.10x = 660,522,657.15 × 295,229,615.70 - Step 4: Simplify right side
440,348,438.10x = 195,005,850,231,537,344 - Step 5: Solve for x
x = 195,005,850,231,537,344/440,348,438.10 - Step 6: Final answer
x = 442,844,423.55
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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.