Finding the Fourth Proportional to 2,129,913,682.36, 3,195,213,828.93 and 656,052,805.98
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Solution
The fourth proportional to 2,129,913,682.36, 3,195,213,828.93 and 656,052,805.98 is: 984,184,953.38
Step by Step Solution
- Step 1: Write the proportion equation
2,129,913,682.36 : 3,195,213,828.93 = 656,052,805.98 : x - Step 2: Convert to fraction form
2,129,913,682.36/3,195,213,828.93 = 656,052,805.98/x - Step 3: Cross multiply
2,129,913,682.36x = 3,195,213,828.93 × 656,052,805.98 - Step 4: Simplify right side
2,129,913,682.36x = 2,096,228,998,175,626,240 - Step 5: Solve for x
x = 2,096,228,998,175,626,240/2,129,913,682.36 - Step 6: Final answer
x = 984,184,953.38
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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.