Finding the Fourth Proportional to 352,761,227.76, 486,837,732.96 and 211,637,740.08
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Solution
The fourth proportional to 352,761,227.76, 486,837,732.96 and 211,637,740.08 is: 292,076,423.03
Step by Step Solution
- Step 1: Write the proportion equation
352,761,227.76 : 486,837,732.96 = 211,637,740.08 : x - Step 2: Convert to fraction form
352,761,227.76/486,837,732.96 = 211,637,740.08/x - Step 3: Cross multiply
352,761,227.76x = 486,837,732.96 × 211,637,740.08 - Step 4: Simplify right side
352,761,227.76x = 103,033,237,589,324,928 - Step 5: Solve for x
x = 103,033,237,589,324,928/352,761,227.76 - Step 6: Final answer
x = 292,076,423.03
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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.