Finding the Fourth Proportional to 443,232,090.30, 664,848,135.45 and 201,367,386.30
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Solution
The fourth proportional to 443,232,090.30, 664,848,135.45 and 201,367,386.30 is: 302,051,079.45
Step by Step Solution
- Step 1: Write the proportion equation
443,232,090.30 : 664,848,135.45 = 201,367,386.30 : x - Step 2: Convert to fraction form
443,232,090.30/664,848,135.45 = 201,367,386.30/x - Step 3: Cross multiply
443,232,090.30x = 664,848,135.45 × 201,367,386.30 - Step 4: Simplify right side
443,232,090.30x = 133,878,731,321,994,896 - Step 5: Solve for x
x = 133,878,731,321,994,896/443,232,090.30 - Step 6: Final answer
x = 302,051,079.45
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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.