Finding the Fourth Proportional to 2,980,369,459.49, 4,112,997,586.50 and 1,642,345,740.07
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Solution
The fourth proportional to 2,980,369,459.49, 4,112,997,586.50 and 1,642,345,740.07 is: 2,266,485,466.62
Step by Step Solution
- Step 1: Write the proportion equation
2,980,369,459.49 : 4,112,997,586.50 = 1,642,345,740.07 : x - Step 2: Convert to fraction form
2,980,369,459.49/4,112,997,586.50 = 1,642,345,740.07/x - Step 3: Cross multiply
2,980,369,459.49x = 4,112,997,586.50 × 1,642,345,740.07 - Step 4: Simplify right side
2,980,369,459.49x = 6,754,964,065,093,392,384 - Step 5: Solve for x
x = 6,754,964,065,093,392,384/2,980,369,459.49 - Step 6: Final answer
x = 2,266,485,466.62
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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.