Finding the Fourth Proportional to 1,915,439,340.17, 2,643,305,120.27 and 1,035,373,044.17
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Solution
The fourth proportional to 1,915,439,340.17, 2,643,305,120.27 and 1,035,373,044.17 is: 1,428,814,168.97
Step by Step Solution
- Step 1: Write the proportion equation
1,915,439,340.17 : 2,643,305,120.27 = 1,035,373,044.17 : x - Step 2: Convert to fraction form
1,915,439,340.17/2,643,305,120.27 = 1,035,373,044.17/x - Step 3: Cross multiply
1,915,439,340.17x = 2,643,305,120.27 × 1,035,373,044.17 - Step 4: Simplify right side
1,915,439,340.17x = 2,736,806,869,025,704,448 - Step 5: Solve for x
x = 2,736,806,869,025,704,448/1,915,439,340.17 - Step 6: Final answer
x = 1,428,814,168.97
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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.