Finding the Fourth Proportional to 5,891,447,526,640, 8,129,018,443,403 and 3,289,761,553,431.40
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Solution
The fourth proportional to 5,891,447,526,640, 8,129,018,443,403 and 3,289,761,553,431.40 is: 4,539,212,514,635.38
Step by Step Solution
- Step 1: Write the proportion equation
5,891,447,526,640 : 8,129,018,443,403 = 3,289,761,553,431.40 : x - Step 2: Convert to fraction form
5,891,447,526,640/8,129,018,443,403 = 3,289,761,553,431.40/x - Step 3: Cross multiply
5,891,447,526,640x = 8,129,018,443,403 × 3,289,761,553,431.40 - Step 4: Simplify right side
5,891,447,526,640x = 26,742,532,342,241,954,386,411,520 - Step 5: Solve for x
x = 26,742,532,342,241,954,386,411,520/5,891,447,526,640 - Step 6: Final answer
x = 4,539,212,514,635.38
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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.