Finding the Fourth Proportional to 297,880,660.05, 411,079,093.93 and 163,933,998.36
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Solution
The fourth proportional to 297,880,660.05, 411,079,093.93 and 163,933,998.36 is: 226,230,999.68
Step by Step Solution
- Step 1: Write the proportion equation
297,880,660.05 : 411,079,093.93 = 163,933,998.36 : x - Step 2: Convert to fraction form
297,880,660.05/411,079,093.93 = 163,933,998.36/x - Step 3: Cross multiply
297,880,660.05x = 411,079,093.93 × 163,933,998.36 - Step 4: Simplify right side
297,880,660.05x = 67,389,839,508,095,504 - Step 5: Solve for x
x = 67,389,839,508,095,504/297,880,660.05 - Step 6: Final answer
x = 226,230,999.68
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1.5x scale
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.