Finding the Fourth Proportional to 2,657,877,343.20, 3,986,816,014.80 and 1,569,486,175.20
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Solution
The fourth proportional to 2,657,877,343.20, 3,986,816,014.80 and 1,569,486,175.20 is: 2,354,229,262.80
Step by Step Solution
- Step 1: Write the proportion equation
2,657,877,343.20 : 3,986,816,014.80 = 1,569,486,175.20 : x - Step 2: Convert to fraction form
2,657,877,343.20/3,986,816,014.80 = 1,569,486,175.20/x - Step 3: Cross multiply
2,657,877,343.20x = 3,986,816,014.80 × 1,569,486,175.20 - Step 4: Simplify right side
2,657,877,343.20x = 6,257,252,618,294,558,720 - Step 5: Solve for x
x = 6,257,252,618,294,558,720/2,657,877,343.20 - Step 6: Final answer
x = 2,354,229,262.80
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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.