Finding the Fourth Proportional to 902,581,203.80, 1,353,871,805.70 and 902,581,203.80
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Solution
The fourth proportional to 902,581,203.80, 1,353,871,805.70 and 902,581,203.80 is: 1,353,871,805.70
Step by Step Solution
- Step 1: Write the proportion equation
902,581,203.80 : 1,353,871,805.70 = 902,581,203.80 : x - Step 2: Convert to fraction form
902,581,203.80/1,353,871,805.70 = 902,581,203.80/x - Step 3: Cross multiply
902,581,203.80x = 1,353,871,805.70 × 902,581,203.80 - Step 4: Simplify right side
902,581,203.80x = 1,221,979,244,179,585,792 - Step 5: Solve for x
x = 1,221,979,244,179,585,792/902,581,203.80 - Step 6: Final answer
x = 1,353,871,805.70
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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.