Finding the Fourth Proportional to 2,193,731,954.60, 3,027,355,902.88 and 1,190,149,490.70
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Solution
The fourth proportional to 2,193,731,954.60, 3,027,355,902.88 and 1,190,149,490.70 is: 1,642,409,446.80
Step by Step Solution
- Step 1: Write the proportion equation
2,193,731,954.60 : 3,027,355,902.88 = 1,190,149,490.70 : x - Step 2: Convert to fraction form
2,193,731,954.60/3,027,355,902.88 = 1,190,149,490.70/x - Step 3: Cross multiply
2,193,731,954.60x = 3,027,355,902.88 × 1,190,149,490.70 - Step 4: Simplify right side
2,193,731,954.60x = 3,603,006,085,977,295,360 - Step 5: Solve for x
x = 3,603,006,085,977,295,360/2,193,731,954.60 - Step 6: Final answer
x = 1,642,409,446.80
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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.