Finding the Fourth Proportional to 301,289,455.61, 415,840,617.23 and 174,135,534.92
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Solution
The fourth proportional to 301,289,455.61, 415,840,617.23 and 174,135,534.92 is: 240,342,391.59
Step by Step Solution
- Step 1: Write the proportion equation
301,289,455.61 : 415,840,617.23 = 174,135,534.92 : x - Step 2: Convert to fraction form
301,289,455.61/415,840,617.23 = 174,135,534.92/x - Step 3: Cross multiply
301,289,455.61x = 415,840,617.23 × 174,135,534.92 - Step 4: Simplify right side
301,289,455.61x = 72,412,628,322,398,912 - Step 5: Solve for x
x = 72,412,628,322,398,912/301,289,455.61 - Step 6: Final answer
x = 240,342,391.59
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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.