Finding the Fourth Proportional to 496,430,671.20, 685,122,715.79 and 370,764,697.13
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Solution
The fourth proportional to 496,430,671.20, 685,122,715.79 and 370,764,697.13 is: 511,691,422.28
Step by Step Solution
- Step 1: Write the proportion equation
496,430,671.20 : 685,122,715.79 = 370,764,697.13 : x - Step 2: Convert to fraction form
496,430,671.20/685,122,715.79 = 370,764,697.13/x - Step 3: Cross multiply
496,430,671.20x = 685,122,715.79 × 370,764,697.13 - Step 4: Simplify right side
496,430,671.20x = 254,019,316,211,482,976 - Step 5: Solve for x
x = 254,019,316,211,482,976/496,430,671.20 - Step 6: Final answer
x = 511,691,422.28
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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.