Finding the Fourth Proportional to 3,103,392,220.80, 4,657,355,812.80 and 2,185,062,172.80
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Solution
The fourth proportional to 3,103,392,220.80, 4,657,355,812.80 and 2,185,062,172.80 is: 3,279,189,766.48
Step by Step Solution
- Step 1: Write the proportion equation
3,103,392,220.80 : 4,657,355,812.80 = 2,185,062,172.80 : x - Step 2: Convert to fraction form
3,103,392,220.80/4,657,355,812.80 = 2,185,062,172.80/x - Step 3: Cross multiply
3,103,392,220.80x = 4,657,355,812.80 × 2,185,062,172.80 - Step 4: Simplify right side
3,103,392,220.80x = 10,176,612,011,819,479,040 - Step 5: Solve for x
x = 10,176,612,011,819,479,040/3,103,392,220.80 - Step 6: Final answer
x = 3,279,189,766.48
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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.