Finding the Fourth Proportional to 1,750,400,983.19, 2,415,560,584.71 and 946,628,463.18
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Solution
The fourth proportional to 1,750,400,983.19, 2,415,560,584.71 and 946,628,463.18 is: 1,306,351,188.09
Step by Step Solution
- Step 1: Write the proportion equation
1,750,400,983.19 : 2,415,560,584.71 = 946,628,463.18 : x - Step 2: Convert to fraction form
1,750,400,983.19/2,415,560,584.71 = 946,628,463.18/x - Step 3: Cross multiply
1,750,400,983.19x = 2,415,560,584.71 × 946,628,463.18 - Step 4: Simplify right side
1,750,400,983.19x = 2,286,638,404,022,209,536 - Step 5: Solve for x
x = 2,286,638,404,022,209,536/1,750,400,983.19 - Step 6: Final answer
x = 1,306,351,188.09
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1.5x scale
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.