Finding the Fourth Proportional to 342,853,381.67, 473,129,619.08 and 201,733,742.49
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Solution
The fourth proportional to 342,853,381.67, 473,129,619.08 and 201,733,742.49 is: 278,387,829.44
Step by Step Solution
- Step 1: Write the proportion equation
342,853,381.67 : 473,129,619.08 = 201,733,742.49 : x - Step 2: Convert to fraction form
342,853,381.67/473,129,619.08 = 201,733,742.49/x - Step 3: Cross multiply
342,853,381.67x = 473,129,619.08 × 201,733,742.49 - Step 4: Simplify right side
342,853,381.67x = 95,446,208,738,867,840 - Step 5: Solve for x
x = 95,446,208,738,867,840/342,853,381.67 - Step 6: Final answer
x = 278,387,829.44
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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.