Finding the Fourth Proportional to 1,585,805,845.44, 2,187,530,471.04 and 1,473,575,653.76
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Solution
The fourth proportional to 1,585,805,845.44, 2,187,530,471.04 and 1,473,575,653.76 is: 2,032,715,198.55
Step by Step Solution
- Step 1: Write the proportion equation
1,585,805,845.44 : 2,187,530,471.04 = 1,473,575,653.76 : x - Step 2: Convert to fraction form
1,585,805,845.44/2,187,530,471.04 = 1,473,575,653.76/x - Step 3: Cross multiply
1,585,805,845.44x = 2,187,530,471.04 × 1,473,575,653.76 - Step 4: Simplify right side
1,585,805,845.44x = 3,223,491,643,982,688,768 - Step 5: Solve for x
x = 3,223,491,643,982,688,768/1,585,805,845.44 - Step 6: Final answer
x = 2,032,715,198.55
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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.