Finding the Fourth Proportional to 350,642,847.68, 483,901,406.88 and 194,007,417.92
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Solution
The fourth proportional to 350,642,847.68, 483,901,406.88 and 194,007,417.92 is: 267,738,136.11
Step by Step Solution
- Step 1: Write the proportion equation
350,642,847.68 : 483,901,406.88 = 194,007,417.92 : x - Step 2: Convert to fraction form
350,642,847.68/483,901,406.88 = 194,007,417.92/x - Step 3: Cross multiply
350,642,847.68x = 483,901,406.88 × 194,007,417.92 - Step 4: Simplify right side
350,642,847.68x = 93,880,462,476,644,112 - Step 5: Solve for x
x = 93,880,462,476,644,112/350,642,847.68 - Step 6: Final answer
x = 267,738,136.11
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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.