Finding the Fourth Proportional to 208,212,328.33, 310,457,019.26 and 202,491,822.67
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Solution
The fourth proportional to 208,212,328.33, 310,457,019.26 and 202,491,822.67 is: 301,927,403.60
Step by Step Solution
- Step 1: Write the proportion equation
208,212,328.33 : 310,457,019.26 = 202,491,822.67 : x - Step 2: Convert to fraction form
208,212,328.33/310,457,019.26 = 202,491,822.67/x - Step 3: Cross multiply
208,212,328.33x = 310,457,019.26 × 202,491,822.67 - Step 4: Simplify right side
208,212,328.33x = 62,865,007,688,864,088 - Step 5: Solve for x
x = 62,865,007,688,864,088/208,212,328.33 - Step 6: Final answer
x = 301,927,403.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.