Finding the Fourth Proportional to 3,718,851,367.68, 5,132,572,827.84 and 2,825,307,721.44
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Solution
The fourth proportional to 3,718,851,367.68, 5,132,572,827.84 and 2,825,307,721.44 is: 3,899,348,537.39
Step by Step Solution
- Step 1: Write the proportion equation
3,718,851,367.68 : 5,132,572,827.84 = 2,825,307,721.44 : x - Step 2: Convert to fraction form
3,718,851,367.68/5,132,572,827.84 = 2,825,307,721.44/x - Step 3: Cross multiply
3,718,851,367.68x = 5,132,572,827.84 × 2,825,307,721.44 - Step 4: Simplify right side
3,718,851,367.68x = 14,501,097,641,349,488,640 - Step 5: Solve for x
x = 14,501,097,641,349,488,640/3,718,851,367.68 - Step 6: Final answer
x = 3,899,348,537.39
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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.