Finding the Fourth Proportional to 6,279,156,538.70, 8,662,513,466.90 and 3,737,413,197.68
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Solution
The fourth proportional to 6,279,156,538.70, 8,662,513,466.90 and 3,737,413,197.68 is: 5,156,009,721.49
Step by Step Solution
- Step 1: Write the proportion equation
6,279,156,538.70 : 8,662,513,466.90 = 3,737,413,197.68 : x - Step 2: Convert to fraction form
6,279,156,538.70/8,662,513,466.90 = 3,737,413,197.68/x - Step 3: Cross multiply
6,279,156,538.70x = 8,662,513,466.90 × 3,737,413,197.68 - Step 4: Simplify right side
6,279,156,538.70x = 32,375,392,156,239,196,160 - Step 5: Solve for x
x = 32,375,392,156,239,196,160/6,279,156,538.70 - Step 6: Final answer
x = 5,156,009,721.49
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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.