Finding the Fourth Proportional to 548,385,904.67, 756,772,548.44 and 313,441,609.68
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Solution
The fourth proportional to 548,385,904.67, 756,772,548.44 and 313,441,609.68 is: 432,549,421.36
Step by Step Solution
- Step 1: Write the proportion equation
548,385,904.67 : 756,772,548.44 = 313,441,609.68 : x - Step 2: Convert to fraction form
548,385,904.67/756,772,548.44 = 313,441,609.68/x - Step 3: Cross multiply
548,385,904.67x = 756,772,548.44 × 313,441,609.68 - Step 4: Simplify right side
548,385,904.67x = 237,204,005,744,669,408 - Step 5: Solve for x
x = 237,204,005,744,669,408/548,385,904.67 - Step 6: Final answer
x = 432,549,421.36
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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.