Finding the Fourth Proportional to 1,512,330,540.60, 2,270,338,139.70 and 959,631,900.60
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Solution
The fourth proportional to 1,512,330,540.60, 2,270,338,139.70 and 959,631,900.60 is: 1,440,616,879.39
Step by Step Solution
- Step 1: Write the proportion equation
1,512,330,540.60 : 2,270,338,139.70 = 959,631,900.60 : x - Step 2: Convert to fraction form
1,512,330,540.60/2,270,338,139.70 = 959,631,900.60/x - Step 3: Cross multiply
1,512,330,540.60x = 2,270,338,139.70 × 959,631,900.60 - Step 4: Simplify right side
1,512,330,540.60x = 2,178,688,904,004,979,200 - Step 5: Solve for x
x = 2,178,688,904,004,979,200/1,512,330,540.60 - Step 6: Final answer
x = 1,440,616,879.39
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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.