Finding the Fourth Proportional to 2,839,398,737.80, 4,259,098,106.70 and 1,310,574,929.80
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Solution
The fourth proportional to 2,839,398,737.80, 4,259,098,106.70 and 1,310,574,929.80 is: 1,965,862,394.70
Step by Step Solution
- Step 1: Write the proportion equation
2,839,398,737.80 : 4,259,098,106.70 = 1,310,574,929.80 : x - Step 2: Convert to fraction form
2,839,398,737.80/4,259,098,106.70 = 1,310,574,929.80/x - Step 3: Cross multiply
2,839,398,737.80x = 4,259,098,106.70 × 1,310,574,929.80 - Step 4: Simplify right side
2,839,398,737.80x = 5,581,867,202,199,664,640 - Step 5: Solve for x
x = 5,581,867,202,199,664,640/2,839,398,737.80 - Step 6: Final answer
x = 1,965,862,394.70
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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.