Finding the Fourth Proportional to 8,861,169,121.29, 13,291,776,194.31 and 3,620,777,338.02
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Solution
The fourth proportional to 8,861,169,121.29, 13,291,776,194.31 and 3,620,777,338.02 is: 5,431,175,205.85
Step by Step Solution
- Step 1: Write the proportion equation
8,861,169,121.29 : 13,291,776,194.31 = 3,620,777,338.02 : x - Step 2: Convert to fraction form
8,861,169,121.29/13,291,776,194.31 = 3,620,777,338.02/x - Step 3: Cross multiply
8,861,169,121.29x = 13,291,776,194.31 × 3,620,777,338.02 - Step 4: Simplify right side
8,861,169,121.29x = 48,126,562,026,391,363,584 - Step 5: Solve for x
x = 48,126,562,026,391,363,584/8,861,169,121.29 - Step 6: Final answer
x = 5,431,175,205.85
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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.