Finding the Fourth Proportional to 3,593,905,954.16, 4,959,846,859.88 and 1,986,326,366.18
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Solution
The fourth proportional to 3,593,905,954.16, 4,959,846,859.88 and 1,986,326,366.18 is: 2,741,272,230.17
Step by Step Solution
- Step 1: Write the proportion equation
3,593,905,954.16 : 4,959,846,859.88 = 1,986,326,366.18 : x - Step 2: Convert to fraction form
3,593,905,954.16/4,959,846,859.88 = 1,986,326,366.18/x - Step 3: Cross multiply
3,593,905,954.16x = 4,959,846,859.88 × 1,986,326,366.18 - Step 4: Simplify right side
3,593,905,954.16x = 9,851,874,589,974,890,496 - Step 5: Solve for x
x = 9,851,874,589,974,890,496/3,593,905,954.16 - Step 6: Final answer
x = 2,741,272,230.17
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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.