Finding the Fourth Proportional to 3,782,720,600.64, 5,220,164,551.68 and 2,112,029,524.08
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Solution
The fourth proportional to 3,782,720,600.64, 5,220,164,551.68 and 2,112,029,524.08 is: 2,914,606,395.15
Step by Step Solution
- Step 1: Write the proportion equation
3,782,720,600.64 : 5,220,164,551.68 = 2,112,029,524.08 : x - Step 2: Convert to fraction form
3,782,720,600.64/5,220,164,551.68 = 2,112,029,524.08/x - Step 3: Cross multiply
3,782,720,600.64x = 5,220,164,551.68 × 2,112,029,524.08 - Step 4: Simplify right side
3,782,720,600.64x = 11,025,141,653,703,997,440 - Step 5: Solve for x
x = 11,025,141,653,703,997,440/3,782,720,600.64 - Step 6: Final answer
x = 2,914,606,395.15
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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.