Finding the Fourth Proportional to 1,135,719,153.92, 1,567,297,155.36 and 614,198,385.92
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Solution
The fourth proportional to 1,135,719,153.92, 1,567,297,155.36 and 614,198,385.92 is: 847,596,326.75
Step by Step Solution
- Step 1: Write the proportion equation
1,135,719,153.92 : 1,567,297,155.36 = 614,198,385.92 : x - Step 2: Convert to fraction form
1,135,719,153.92/1,567,297,155.36 = 614,198,385.92/x - Step 3: Cross multiply
1,135,719,153.92x = 1,567,297,155.36 × 614,198,385.92 - Step 4: Simplify right side
1,135,719,153.92x = 962,631,383,079,119,360 - Step 5: Solve for x
x = 962,631,383,079,119,360/1,135,719,153.92 - Step 6: Final answer
x = 847,596,326.75
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1.5x scale
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.