Finding the Fourth Proportional to 394,558,767.20, 591,875,475.60 and 107,344,431.20
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Solution
The fourth proportional to 394,558,767.20, 591,875,475.60 and 107,344,431.20 is: 161,026,801.46
Step by Step Solution
- Step 1: Write the proportion equation
394,558,767.20 : 591,875,475.60 = 107,344,431.20 : x - Step 2: Convert to fraction form
394,558,767.20/591,875,475.60 = 107,344,431.20/x - Step 3: Cross multiply
394,558,767.20x = 591,875,475.60 × 107,344,431.20 - Step 4: Simplify right side
394,558,767.20x = 63,534,536,269,511,480 - Step 5: Solve for x
x = 63,534,536,269,511,480/394,558,767.20 - Step 6: Final answer
x = 161,026,801.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.