Finding the Fourth Proportional to 313,378,601.70, 439,183,538.70 and 313,378,601.70
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Solution
The fourth proportional to 313,378,601.70, 439,183,538.70 and 313,378,601.70 is: 439,183,538.70
Step by Step Solution
- Step 1: Write the proportion equation
313,378,601.70 : 439,183,538.70 = 313,378,601.70 : x - Step 2: Convert to fraction form
313,378,601.70/439,183,538.70 = 313,378,601.70/x - Step 3: Cross multiply
313,378,601.70x = 439,183,538.70 × 313,378,601.70 - Step 4: Simplify right side
313,378,601.70x = 137,630,723,247,463,824 - Step 5: Solve for x
x = 137,630,723,247,463,824/313,378,601.70 - Step 6: Final answer
x = 439,183,538.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.