Finding the Fourth Proportional to 287,611,177, 396,904,824.02 and 157,230,985
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Solution
The fourth proportional to 287,611,177, 396,904,824.02 and 157,230,985 is: 216,979,524.52
Step by Step Solution
- Step 1: Write the proportion equation
287,611,177 : 396,904,824.02 = 157,230,985 : x - Step 2: Convert to fraction form
287,611,177/396,904,824.02 = 157,230,985/x - Step 3: Cross multiply
287,611,177x = 396,904,824.02 × 157,230,985 - Step 4: Simplify right side
287,611,177x = 62,405,736,431,916,256 - Step 5: Solve for x
x = 62,405,736,431,916,256/287,611,177 - Step 6: Final answer
x = 216,979,524.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.