Finding the Fourth Proportional to 5,110,374,115.20, 7,665,561,172.80 and 2,202,328,963.20
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Solution
The fourth proportional to 5,110,374,115.20, 7,665,561,172.80 and 2,202,328,963.20 is: 3,303,493,444.80
Step by Step Solution
- Step 1: Write the proportion equation
5,110,374,115.20 : 7,665,561,172.80 = 2,202,328,963.20 : x - Step 2: Convert to fraction form
5,110,374,115.20/7,665,561,172.80 = 2,202,328,963.20/x - Step 3: Cross multiply
5,110,374,115.20x = 7,665,561,172.80 × 2,202,328,963.20 - Step 4: Simplify right side
5,110,374,115.20x = 16,882,087,390,038,798,336 - Step 5: Solve for x
x = 16,882,087,390,038,798,336/5,110,374,115.20 - Step 6: Final answer
x = 3,303,493,444.80
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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.