Finding the Fourth Proportional to 590,491,681.80, 885,737,522.70 and 202,185,457.80
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Solution
The fourth proportional to 590,491,681.80, 885,737,522.70 and 202,185,457.80 is: 303,278,186.70
Step by Step Solution
- Step 1: Write the proportion equation
590,491,681.80 : 885,737,522.70 = 202,185,457.80 : x - Step 2: Convert to fraction form
590,491,681.80/885,737,522.70 = 202,185,457.80/x - Step 3: Cross multiply
590,491,681.80x = 885,737,522.70 × 202,185,457.80 - Step 4: Simplify right side
590,491,681.80x = 179,083,246,517,737,408 - Step 5: Solve for x
x = 179,083,246,517,737,408/590,491,681.80 - Step 6: Final answer
x = 303,278,186.70
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1.5x scale
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.