Finding the Fourth Proportional to 6,385,541,251.43, 8,748,045,378.18 and 6,146,799,845.87
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Solution
The fourth proportional to 6,385,541,251.43, 8,748,045,378.18 and 6,146,799,845.87 is: 8,420,975,116.28
Step by Step Solution
- Step 1: Write the proportion equation
6,385,541,251.43 : 8,748,045,378.18 = 6,146,799,845.87 : x - Step 2: Convert to fraction form
6,385,541,251.43/8,748,045,378.18 = 6,146,799,845.87/x - Step 3: Cross multiply
6,385,541,251.43x = 8,748,045,378.18 × 6,146,799,845.87 - Step 4: Simplify right side
6,385,541,251.43x = 53,772,483,982,216,847,360 - Step 5: Solve for x
x = 53,772,483,982,216,847,360/6,385,541,251.43 - Step 6: Final answer
x = 8,420,975,116.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.