Finding the Fourth Proportional to 1,437,350,964.80, 2,151,995,368.80 and 1,397,040,180.80
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Solution
The fourth proportional to 1,437,350,964.80, 2,151,995,368.80 and 1,397,040,180.80 is: 2,091,642,245.17
Step by Step Solution
- Step 1: Write the proportion equation
1,437,350,964.80 : 2,151,995,368.80 = 1,397,040,180.80 : x - Step 2: Convert to fraction form
1,437,350,964.80/2,151,995,368.80 = 1,397,040,180.80/x - Step 3: Cross multiply
1,437,350,964.80x = 2,151,995,368.80 × 1,397,040,180.80 - Step 4: Simplify right side
1,437,350,964.80x = 3,006,423,999,109,114,880 - Step 5: Solve for x
x = 3,006,423,999,109,114,880/1,437,350,964.80 - Step 6: Final answer
x = 2,091,642,245.17
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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.