Finding the Fourth Proportional to 2,414,454,830.70, 3,621,682,246.05 and 861,796,805.10
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Solution
The fourth proportional to 2,414,454,830.70, 3,621,682,246.05 and 861,796,805.10 is: 1,292,695,207.65
Step by Step Solution
- Step 1: Write the proportion equation
2,414,454,830.70 : 3,621,682,246.05 = 861,796,805.10 : x - Step 2: Convert to fraction form
2,414,454,830.70/3,621,682,246.05 = 861,796,805.10/x - Step 3: Cross multiply
2,414,454,830.70x = 3,621,682,246.05 × 861,796,805.10 - Step 4: Simplify right side
2,414,454,830.70x = 3,121,154,188,733,282,304 - Step 5: Solve for x
x = 3,121,154,188,733,282,304/2,414,454,830.70 - Step 6: Final answer
x = 1,292,695,207.65
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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.