Finding the Fourth Proportional to 492,058,975.80, 738,088,463.70 and 396,507,487.80
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Solution
The fourth proportional to 492,058,975.80, 738,088,463.70 and 396,507,487.80 is: 594,761,231.70
Step by Step Solution
- Step 1: Write the proportion equation
492,058,975.80 : 738,088,463.70 = 396,507,487.80 : x - Step 2: Convert to fraction form
492,058,975.80/738,088,463.70 = 396,507,487.80/x - Step 3: Cross multiply
492,058,975.80x = 738,088,463.70 × 396,507,487.80 - Step 4: Simplify right side
492,058,975.80x = 292,657,602,515,848,512 - Step 5: Solve for x
x = 292,657,602,515,848,512/492,058,975.80 - Step 6: Final answer
x = 594,761,231.70
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1.5x scale
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.