Finding the Fourth Proportional to 1,784,602,825.20, 2,676,904,237.80 and 1,440,229,057.20
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Solution
The fourth proportional to 1,784,602,825.20, 2,676,904,237.80 and 1,440,229,057.20 is: 2,160,343,585.80
Step by Step Solution
- Step 1: Write the proportion equation
1,784,602,825.20 : 2,676,904,237.80 = 1,440,229,057.20 : x - Step 2: Convert to fraction form
1,784,602,825.20/2,676,904,237.80 = 1,440,229,057.20/x - Step 3: Cross multiply
1,784,602,825.20x = 2,676,904,237.80 × 1,440,229,057.20 - Step 4: Simplify right side
1,784,602,825.20x = 3,855,355,266,621,379,072 - Step 5: Solve for x
x = 3,855,355,266,621,379,072/1,784,602,825.20 - Step 6: Final answer
x = 2,160,343,585.80
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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.