Finding the Fourth Proportional to 245,171,232,021.70, 367,756,848,032.55 and 245,171,232,021.70
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Solution
The fourth proportional to 245,171,232,021.70, 367,756,848,032.55 and 245,171,232,021.70 is: 367,756,848,032.55
Step by Step Solution
- Step 1: Write the proportion equation
245,171,232,021.70 : 367,756,848,032.55 = 245,171,232,021.70 : x - Step 2: Convert to fraction form
245,171,232,021.70/367,756,848,032.55 = 245,171,232,021.70/x - Step 3: Cross multiply
245,171,232,021.70x = 367,756,848,032.55 × 245,171,232,021.70 - Step 4: Simplify right side
245,171,232,021.70x = 90,163,399,516,557,389,332,480 - Step 5: Solve for x
x = 90,163,399,516,557,389,332,480/245,171,232,021.70 - Step 6: Final answer
x = 367,756,848,032.55
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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.