Finding the Fourth Proportional to 539,796,686.40, 809,695,029.60 and 335,723,342.40
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Solution
The fourth proportional to 539,796,686.40, 809,695,029.60 and 335,723,342.40 is: 503,585,013.60
Step by Step Solution
- Step 1: Write the proportion equation
539,796,686.40 : 809,695,029.60 = 335,723,342.40 : x - Step 2: Convert to fraction form
539,796,686.40/809,695,029.60 = 335,723,342.40/x - Step 3: Cross multiply
539,796,686.40x = 809,695,029.60 × 335,723,342.40 - Step 4: Simplify right side
539,796,686.40x = 271,833,521,661,978,912 - Step 5: Solve for x
x = 271,833,521,661,978,912/539,796,686.40 - Step 6: Final answer
x = 503,585,013.60
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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.