Finding the Fourth Proportional to 4,426,527,285.20, 6,642,341,844.60 and 1,668,135,918.80
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Solution
The fourth proportional to 4,426,527,285.20, 6,642,341,844.60 and 1,668,135,918.80 is: 2,503,165,190.68
Step by Step Solution
- Step 1: Write the proportion equation
4,426,527,285.20 : 6,642,341,844.60 = 1,668,135,918.80 : x - Step 2: Convert to fraction form
4,426,527,285.20/6,642,341,844.60 = 1,668,135,918.80/x - Step 3: Cross multiply
4,426,527,285.20x = 6,642,341,844.60 × 1,668,135,918.80 - Step 4: Simplify right side
4,426,527,285.20x = 11,080,329,015,925,508,096 - Step 5: Solve for x
x = 11,080,329,015,925,508,096/4,426,527,285.20 - Step 6: Final answer
x = 2,503,165,190.68
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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.