Finding the Fourth Proportional to 1,555,025,625.79, 2,332,538,438.68 and 1,555,025,625.79
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Solution
The fourth proportional to 1,555,025,625.79, 2,332,538,438.68 and 1,555,025,625.79 is: 2,332,538,438.68
Step by Step Solution
- Step 1: Write the proportion equation
1,555,025,625.79 : 2,332,538,438.68 = 1,555,025,625.79 : x - Step 2: Convert to fraction form
1,555,025,625.79/2,332,538,438.68 = 1,555,025,625.79/x - Step 3: Cross multiply
1,555,025,625.79x = 2,332,538,438.68 × 1,555,025,625.79 - Step 4: Simplify right side
1,555,025,625.79x = 3,627,157,045,283,631,104 - Step 5: Solve for x
x = 3,627,157,045,283,631,104/1,555,025,625.79 - Step 6: Final answer
x = 2,332,538,438.68
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1.5x scale
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.