Finding the Fourth Proportional to 692,304,441.80, 1,038,456,662.70 and 201,016,761.80
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Solution
The fourth proportional to 692,304,441.80, 1,038,456,662.70 and 201,016,761.80 is: 301,525,142.70
Step by Step Solution
- Step 1: Write the proportion equation
692,304,441.80 : 1,038,456,662.70 = 201,016,761.80 : x - Step 2: Convert to fraction form
692,304,441.80/1,038,456,662.70 = 201,016,761.80/x - Step 3: Cross multiply
692,304,441.80x = 1,038,456,662.70 × 201,016,761.80 - Step 4: Simplify right side
692,304,441.80x = 208,747,195,605,588,864 - Step 5: Solve for x
x = 208,747,195,605,588,864/692,304,441.80 - Step 6: Final answer
x = 301,525,142.70
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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.