Finding the Fourth Proportional to 590,491,661.80, 885,737,492.70 and 202,185,437.80
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Solution
The fourth proportional to 590,491,661.80, 885,737,492.70 and 202,185,437.80 is: 303,278,156.70
Step by Step Solution
- Step 1: Write the proportion equation
590,491,661.80 : 885,737,492.70 = 202,185,437.80 : x - Step 2: Convert to fraction form
590,491,661.80/885,737,492.70 = 202,185,437.80/x - Step 3: Cross multiply
590,491,661.80x = 885,737,492.70 × 202,185,437.80 - Step 4: Simplify right side
590,491,661.80x = 179,083,222,737,423,840 - Step 5: Solve for x
x = 179,083,222,737,423,840/590,491,661.80 - Step 6: Final answer
x = 303,278,156.70
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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.