Finding the Fourth Proportional to 1,759,620,608.80, 2,428,006,504.08 and 1,016,921,240.80
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Solution
The fourth proportional to 1,759,620,608.80, 2,428,006,504.08 and 1,016,921,240.80 is: 1,403,195,310.65
Step by Step Solution
- Step 1: Write the proportion equation
1,759,620,608.80 : 2,428,006,504.08 = 1,016,921,240.80 : x - Step 2: Convert to fraction form
1,759,620,608.80/2,428,006,504.08 = 1,016,921,240.80/x - Step 3: Cross multiply
1,759,620,608.80x = 2,428,006,504.08 × 1,016,921,240.80 - Step 4: Simplify right side
1,759,620,608.80x = 2,469,091,386,799,503,872 - Step 5: Solve for x
x = 2,469,091,386,799,503,872/1,759,620,608.80 - Step 6: Final answer
x = 1,403,195,310.65
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1.5x scale
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.