Finding the Fourth Proportional to 4,139,840,282.10, 6,209,760,423.15 and 4,085,420,723.70
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Solution
The fourth proportional to 4,139,840,282.10, 6,209,760,423.15 and 4,085,420,723.70 is: 6,128,131,085.55
Step by Step Solution
- Step 1: Write the proportion equation
4,139,840,282.10 : 6,209,760,423.15 = 4,085,420,723.70 : x - Step 2: Convert to fraction form
4,139,840,282.10/6,209,760,423.15 = 4,085,420,723.70/x - Step 3: Cross multiply
4,139,840,282.10x = 6,209,760,423.15 × 4,085,420,723.70 - Step 4: Simplify right side
4,139,840,282.10x = 25,369,483,921,949,089,792 - Step 5: Solve for x
x = 25,369,483,921,949,089,792/4,139,840,282.10 - Step 6: Final answer
x = 6,128,131,085.55
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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.