Finding the Fourth Proportional to 361,218,526.93, 498,522,918.70 and 202,491,520.08
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Solution
The fourth proportional to 361,218,526.93, 498,522,918.70 and 202,491,520.08 is: 279,461,478.51
Step by Step Solution
- Step 1: Write the proportion equation
361,218,526.93 : 498,522,918.70 = 202,491,520.08 : x - Step 2: Convert to fraction form
361,218,526.93/498,522,918.70 = 202,491,520.08/x - Step 3: Cross multiply
361,218,526.93x = 498,522,918.70 × 202,491,520.08 - Step 4: Simplify right side
361,218,526.93x = 100,946,663,602,281,264 - Step 5: Solve for x
x = 100,946,663,602,281,264/361,218,526.93 - Step 6: Final answer
x = 279,461,478.51
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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.