Finding the Fourth Proportional to 746,678,724.70, 1,120,018,087.05 and 201,475,371.10
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Solution
The fourth proportional to 746,678,724.70, 1,120,018,087.05 and 201,475,371.10 is: 302,213,056.65
Step by Step Solution
- Step 1: Write the proportion equation
746,678,724.70 : 1,120,018,087.05 = 201,475,371.10 : x - Step 2: Convert to fraction form
746,678,724.70/1,120,018,087.05 = 201,475,371.10/x - Step 3: Cross multiply
746,678,724.70x = 1,120,018,087.05 × 201,475,371.10 - Step 4: Simplify right side
746,678,724.70x = 225,656,059,727,110,848 - Step 5: Solve for x
x = 225,656,059,727,110,848/746,678,724.70 - Step 6: Final answer
x = 302,213,056.65
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Similar ratio
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1.5x scale
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.