Finding the Fourth Proportional to 29,682,910,256.67, 40,966,893,765.98 and 18,102,235,615.98
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Solution
The fourth proportional to 29,682,910,256.67, 40,966,893,765.98 and 18,102,235,615.98 is: 24,983,815,838.61
Step by Step Solution
- Step 1: Write the proportion equation
29,682,910,256.67 : 40,966,893,765.98 = 18,102,235,615.98 : x - Step 2: Convert to fraction form
29,682,910,256.67/40,966,893,765.98 = 18,102,235,615.98/x - Step 3: Cross multiply
29,682,910,256.67x = 40,966,893,765.98 × 18,102,235,615.98 - Step 4: Simplify right side
29,682,910,256.67x = 741,592,363,406,501,609,472 - Step 5: Solve for x
x = 741,592,363,406,501,609,472/29,682,910,256.67 - Step 6: Final answer
x = 24,983,815,838.61
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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.