Finding the Fourth Proportional to 342,853,383.67, 473,129,621.83 and 201,733,744.49
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Solution
The fourth proportional to 342,853,383.67, 473,129,621.83 and 201,733,744.49 is: 278,387,832.20
Step by Step Solution
- Step 1: Write the proportion equation
342,853,383.67 : 473,129,621.83 = 201,733,744.49 : x - Step 2: Convert to fraction form
342,853,383.67/473,129,621.83 = 201,733,744.49/x - Step 3: Cross multiply
342,853,383.67x = 473,129,621.83 × 201,733,744.49 - Step 4: Simplify right side
342,853,383.67x = 95,446,210,240,903,552 - Step 5: Solve for x
x = 95,446,210,240,903,552/342,853,383.67 - Step 6: Final answer
x = 278,387,832.20
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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.