Finding the Fourth Proportional to 1,519,483,165.76, 2,266,449,497.92 and 1,379,990,532.08
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Solution
The fourth proportional to 1,519,483,165.76, 2,266,449,497.92 and 1,379,990,532.08 is: 2,058,383,349.71
Step by Step Solution
- Step 1: Write the proportion equation
1,519,483,165.76 : 2,266,449,497.92 = 1,379,990,532.08 : x - Step 2: Convert to fraction form
1,519,483,165.76/2,266,449,497.92 = 1,379,990,532.08/x - Step 3: Cross multiply
1,519,483,165.76x = 2,266,449,497.92 × 1,379,990,532.08 - Step 4: Simplify right side
1,519,483,165.76x = 3,127,678,848,567,069,696 - Step 5: Solve for x
x = 3,127,678,848,567,069,696/1,519,483,165.76 - Step 6: Final answer
x = 2,058,383,349.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.