Finding the Fourth Proportional to 5,638,255,139.26, 8,452,124,989.97 and 1,904,935,672.40
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Solution
The fourth proportional to 5,638,255,139.26, 8,452,124,989.97 and 1,904,935,672.40 is: 2,855,627,140.54
Step by Step Solution
- Step 1: Write the proportion equation
5,638,255,139.26 : 8,452,124,989.97 = 1,904,935,672.40 : x - Step 2: Convert to fraction form
5,638,255,139.26/8,452,124,989.97 = 1,904,935,672.40/x - Step 3: Cross multiply
5,638,255,139.26x = 8,452,124,989.97 × 1,904,935,672.40 - Step 4: Simplify right side
5,638,255,139.26x = 16,100,754,400,972,892,160 - Step 5: Solve for x
x = 16,100,754,400,972,892,160/5,638,255,139.26 - Step 6: Final answer
x = 2,855,627,140.54
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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.