Finding the Fourth Proportional to 404,352,138.60, 606,528,207.90 and 131,750,461.80
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Solution
The fourth proportional to 404,352,138.60, 606,528,207.90 and 131,750,461.80 is: 197,625,692.70
Step by Step Solution
- Step 1: Write the proportion equation
404,352,138.60 : 606,528,207.90 = 131,750,461.80 : x - Step 2: Convert to fraction form
404,352,138.60/606,528,207.90 = 131,750,461.80/x - Step 3: Cross multiply
404,352,138.60x = 606,528,207.90 × 131,750,461.80 - Step 4: Simplify right side
404,352,138.60x = 79,910,371,485,551,408 - Step 5: Solve for x
x = 79,910,371,485,551,408/404,352,138.60 - Step 6: Final answer
x = 197,625,692.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.