Finding the Fourth Proportional to 346,330,186.68, 477,983,208.45 and 212,344,408.07
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Solution
The fourth proportional to 346,330,186.68, 477,983,208.45 and 212,344,408.07 is: 293,064,437.83
Step by Step Solution
- Step 1: Write the proportion equation
346,330,186.68 : 477,983,208.45 = 212,344,408.07 : x - Step 2: Convert to fraction form
346,330,186.68/477,983,208.45 = 212,344,408.07/x - Step 3: Cross multiply
346,330,186.68x = 477,983,208.45 × 212,344,408.07 - Step 4: Simplify right side
346,330,186.68x = 101,497,061,463,324,752 - Step 5: Solve for x
x = 101,497,061,463,324,752/346,330,186.68 - Step 6: Final answer
x = 293,064,437.83
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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.