Finding the Fourth Proportional to 1,643,876,240.41, 2,268,718,294.08 and 1,000,177,872.40
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Solution
The fourth proportional to 1,643,876,240.41, 2,268,718,294.08 and 1,000,177,872.40 is: 1,380,348,338.07
Step by Step Solution
- Step 1: Write the proportion equation
1,643,876,240.41 : 2,268,718,294.08 = 1,000,177,872.40 : x - Step 2: Convert to fraction form
1,643,876,240.41/2,268,718,294.08 = 1,000,177,872.40/x - Step 3: Cross multiply
1,643,876,240.41x = 2,268,718,294.08 × 1,000,177,872.40 - Step 4: Simplify right side
1,643,876,240.41x = 2,269,121,836,447,891,712 - Step 5: Solve for x
x = 2,269,121,836,447,891,712/1,643,876,240.41 - Step 6: Final answer
x = 1,380,348,338.07
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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.