Finding the Fourth Proportional to 872,783,103.26, 1,204,466,193.38 and 476,331,536.88
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Solution
The fourth proportional to 872,783,103.26, 1,204,466,193.38 and 476,331,536.88 is: 657,351,443.75
Step by Step Solution
- Step 1: Write the proportion equation
872,783,103.26 : 1,204,466,193.38 = 476,331,536.88 : x - Step 2: Convert to fraction form
872,783,103.26/1,204,466,193.38 = 476,331,536.88/x - Step 3: Cross multiply
872,783,103.26x = 1,204,466,193.38 × 476,331,536.88 - Step 4: Simplify right side
872,783,103.26x = 573,725,233,013,889,472 - Step 5: Solve for x
x = 573,725,233,013,889,472/872,783,103.26 - Step 6: Final answer
x = 657,351,443.75
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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.