Finding the Fourth Proportional to 1,770,029,414.36, 2,442,611,176.22 and 977,054,882.12
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Solution
The fourth proportional to 1,770,029,414.36, 2,442,611,176.22 and 977,054,882.12 is: 1,348,319,499.94
Step by Step Solution
- Step 1: Write the proportion equation
1,770,029,414.36 : 2,442,611,176.22 = 977,054,882.12 : x - Step 2: Convert to fraction form
1,770,029,414.36/2,442,611,176.22 = 977,054,882.12/x - Step 3: Cross multiply
1,770,029,414.36x = 2,442,611,176.22 × 977,054,882.12 - Step 4: Simplify right side
1,770,029,414.36x = 2,386,565,174,846,626,304 - Step 5: Solve for x
x = 2,386,565,174,846,626,304/1,770,029,414.36 - Step 6: Final answer
x = 1,348,319,499.94
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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.