Finding the Fourth Proportional to 1,919,344,247.97, 2,880,352,859.37 and 675,874,869.87
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Solution
The fourth proportional to 1,919,344,247.97, 2,880,352,859.37 and 675,874,869.87 is: 1,014,282,933.38
Step by Step Solution
- Step 1: Write the proportion equation
1,919,344,247.97 : 2,880,352,859.37 = 675,874,869.87 : x - Step 2: Convert to fraction form
1,919,344,247.97/2,880,352,859.37 = 675,874,869.87/x - Step 3: Cross multiply
1,919,344,247.97x = 2,880,352,859.37 × 675,874,869.87 - Step 4: Simplify right side
1,919,344,247.97x = 1,946,758,114,006,381,056 - Step 5: Solve for x
x = 1,946,758,114,006,381,056/1,919,344,247.97 - Step 6: Final answer
x = 1,014,282,933.38
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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.