Finding the Fourth Proportional to 621,674,735.06, 858,298,310.08 and 395,741,198.63
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Solution
The fourth proportional to 621,674,735.06, 858,298,310.08 and 395,741,198.63 is: 546,369,319.61
Step by Step Solution
- Step 1: Write the proportion equation
621,674,735.06 : 858,298,310.08 = 395,741,198.63 : x - Step 2: Convert to fraction form
621,674,735.06/858,298,310.08 = 395,741,198.63/x - Step 3: Cross multiply
621,674,735.06x = 858,298,310.08 × 395,741,198.63 - Step 4: Simplify right side
621,674,735.06x = 339,664,002,007,881,792 - Step 5: Solve for x
x = 339,664,002,007,881,792/621,674,735.06 - Step 6: Final answer
x = 546,369,319.61
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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.