Finding the Fourth Proportional to 8,084,515,458.40, 12,125,639,446.80 and 2,564,331,503.20
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Solution
The fourth proportional to 8,084,515,458.40, 12,125,639,446.80 and 2,564,331,503.20 is: 3,846,137,642.99
Step by Step Solution
- Step 1: Write the proportion equation
8,084,515,458.40 : 12,125,639,446.80 = 2,564,331,503.20 : x - Step 2: Convert to fraction form
8,084,515,458.40/12,125,639,446.80 = 2,564,331,503.20/x - Step 3: Cross multiply
8,084,515,458.40x = 12,125,639,446.80 × 2,564,331,503.20 - Step 4: Simplify right side
8,084,515,458.40x = 31,094,159,229,873,856,512 - Step 5: Solve for x
x = 31,094,159,229,873,856,512/8,084,515,458.40 - Step 6: Final answer
x = 3,846,137,642.99
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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.