Finding the Fourth Proportional to 3,874,144,430.40, 5,811,216,645.60 and 1,662,977,861.70
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Solution
The fourth proportional to 3,874,144,430.40, 5,811,216,645.60 and 1,662,977,861.70 is: 2,494,466,792.55
Step by Step Solution
- Step 1: Write the proportion equation
3,874,144,430.40 : 5,811,216,645.60 = 1,662,977,861.70 : x - Step 2: Convert to fraction form
3,874,144,430.40/5,811,216,645.60 = 1,662,977,861.70/x - Step 3: Cross multiply
3,874,144,430.40x = 5,811,216,645.60 × 1,662,977,861.70 - Step 4: Simplify right side
3,874,144,430.40x = 9,663,924,631,175,335,936 - Step 5: Solve for x
x = 9,663,924,631,175,335,936/3,874,144,430.40 - Step 6: Final answer
x = 2,494,466,792.55
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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.