Finding the Fourth Proportional to 6,418,193,453.51, 8,855,780,640.66 and 3,705,414,248.41
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Solution
The fourth proportional to 6,418,193,453.51, 8,855,780,640.66 and 3,705,414,248.41 is: 5,112,705,935.77
Step by Step Solution
- Step 1: Write the proportion equation
6,418,193,453.51 : 8,855,780,640.66 = 3,705,414,248.41 : x - Step 2: Convert to fraction form
6,418,193,453.51/8,855,780,640.66 = 3,705,414,248.41/x - Step 3: Cross multiply
6,418,193,453.51x = 8,855,780,640.66 × 3,705,414,248.41 - Step 4: Simplify right side
6,418,193,453.51x = 32,814,335,766,672,859,136 - Step 5: Solve for x
x = 32,814,335,766,672,859,136/6,418,193,453.51 - Step 6: Final answer
x = 5,112,705,935.77
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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.