Finding the Fourth Proportional to 318,930,630.80, 446,805,214 and 318,930,630.80
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Solution
The fourth proportional to 318,930,630.80, 446,805,214 and 318,930,630.80 is: 446,805,214
Step by Step Solution
- Step 1: Write the proportion equation
318,930,630.80 : 446,805,214 = 318,930,630.80 : x - Step 2: Convert to fraction form
318,930,630.80/446,805,214 = 318,930,630.80/x - Step 3: Cross multiply
318,930,630.80x = 446,805,214 × 318,930,630.80 - Step 4: Simplify right side
318,930,630.80x = 142,499,868,745,748,992 - Step 5: Solve for x
x = 142,499,868,745,748,992/318,930,630.80 - Step 6: Final answer
x = 446,805,214
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.