Finding the Fourth Proportional to 531,535,537.20, 797,303,305.80 and 531,535,537.20
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Solution
The fourth proportional to 531,535,537.20, 797,303,305.80 and 531,535,537.20 is: 797,303,305.80
Step by Step Solution
- Step 1: Write the proportion equation
531,535,537.20 : 797,303,305.80 = 531,535,537.20 : x - Step 2: Convert to fraction form
531,535,537.20/797,303,305.80 = 531,535,537.20/x - Step 3: Cross multiply
531,535,537.20x = 797,303,305.80 × 531,535,537.20 - Step 4: Simplify right side
531,535,537.20x = 423,795,040,959,738,816 - Step 5: Solve for x
x = 423,795,040,959,738,816/531,535,537.20 - Step 6: Final answer
x = 797,303,305.80
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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.