Finding the Fourth Proportional to 365,473,010.80, 547,967,415.30 and 201,789,182.80
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Solution
The fourth proportional to 365,473,010.80, 547,967,415.30 and 201,789,182.80 is: 302,550,102.65
Step by Step Solution
- Step 1: Write the proportion equation
365,473,010.80 : 547,967,415.30 = 201,789,182.80 : x - Step 2: Convert to fraction form
365,473,010.80/547,967,415.30 = 201,789,182.80/x - Step 3: Cross multiply
365,473,010.80x = 547,967,415.30 × 201,789,182.80 - Step 4: Simplify right side
365,473,010.80x = 110,573,896,934,415,216 - Step 5: Solve for x
x = 110,573,896,934,415,216/365,473,010.80 - Step 6: Final answer
x = 302,550,102.65
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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.