Finding the Fourth Proportional to 1,651,304,382.86, 2,278,800,423.97 and 908,748,445.61
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Solution
The fourth proportional to 1,651,304,382.86, 2,278,800,423.97 and 908,748,445.61 is: 1,254,073,061.66
Step by Step Solution
- Step 1: Write the proportion equation
1,651,304,382.86 : 2,278,800,423.97 = 908,748,445.61 : x - Step 2: Convert to fraction form
1,651,304,382.86/2,278,800,423.97 = 908,748,445.61/x - Step 3: Cross multiply
1,651,304,382.86x = 2,278,800,423.97 × 908,748,445.61 - Step 4: Simplify right side
1,651,304,382.86x = 2,070,856,343,141,571,584 - Step 5: Solve for x
x = 2,070,856,343,141,571,584/1,651,304,382.86 - Step 6: Final answer
x = 1,254,073,061.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.