Finding the Fourth Proportional to 298,671,877.12, 411,852,912.64 and 235,843,741.44
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Solution
The fourth proportional to 298,671,877.12, 411,852,912.64 and 235,843,741.44 is: 325,216,196.37
Step by Step Solution
- Step 1: Write the proportion equation
298,671,877.12 : 411,852,912.64 = 235,843,741.44 : x - Step 2: Convert to fraction form
298,671,877.12/411,852,912.64 = 235,843,741.44/x - Step 3: Cross multiply
298,671,877.12x = 411,852,912.64 × 235,843,741.44 - Step 4: Simplify right side
298,671,877.12x = 97,132,931,839,979,056 - Step 5: Solve for x
x = 97,132,931,839,979,056/298,671,877.12 - Step 6: Final answer
x = 325,216,196.37
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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.