Finding the Fourth Proportional to 1,626,101,211.44, 2,439,146,990.28 and 461,570,687.84
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Solution
The fourth proportional to 1,626,101,211.44, 2,439,146,990.28 and 461,570,687.84 is: 692,354,661.64
Step by Step Solution
- Step 1: Write the proportion equation
1,626,101,211.44 : 2,439,146,990.28 = 461,570,687.84 : x - Step 2: Convert to fraction form
1,626,101,211.44/2,439,146,990.28 = 461,570,687.84/x - Step 3: Cross multiply
1,626,101,211.44x = 2,439,146,990.28 × 461,570,687.84 - Step 4: Simplify right side
1,626,101,211.44x = 1,125,838,754,046,405,376 - Step 5: Solve for x
x = 1,125,838,754,046,405,376/1,626,101,211.44 - Step 6: Final answer
x = 692,354,661.64
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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.