Finding the Fourth Proportional to 1,347,926,608.80, 2,021,889,913.20 and 1,257,227,344.80
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Solution
The fourth proportional to 1,347,926,608.80, 2,021,889,913.20 and 1,257,227,344.80 is: 1,885,841,017.20
Step by Step Solution
- Step 1: Write the proportion equation
1,347,926,608.80 : 2,021,889,913.20 = 1,257,227,344.80 : x - Step 2: Convert to fraction form
1,347,926,608.80/2,021,889,913.20 = 1,257,227,344.80/x - Step 3: Cross multiply
1,347,926,608.80x = 2,021,889,913.20 × 1,257,227,344.80 - Step 4: Simplify right side
1,347,926,608.80x = 2,541,975,287,050,338,304 - Step 5: Solve for x
x = 2,541,975,287,050,338,304/1,347,926,608.80 - Step 6: Final answer
x = 1,885,841,017.20
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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.