Finding the Fourth Proportional to 722,296,675.08, 996,854,504.26 and 428,941,243.08
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Solution
The fourth proportional to 722,296,675.08, 996,854,504.26 and 428,941,243.08 is: 591,989,448.35
Step by Step Solution
- Step 1: Write the proportion equation
722,296,675.08 : 996,854,504.26 = 428,941,243.08 : x - Step 2: Convert to fraction form
722,296,675.08/996,854,504.26 = 428,941,243.08/x - Step 3: Cross multiply
722,296,675.08x = 996,854,504.26 × 428,941,243.08 - Step 4: Simplify right side
722,296,675.08x = 427,592,010,227,181,504 - Step 5: Solve for x
x = 427,592,010,227,181,504/722,296,675.08 - Step 6: Final answer
x = 591,989,448.35
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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.