Finding the Fourth Proportional to 2,125,761,813.60, 3,188,642,720.40 and 593,952,021.60
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Solution
The fourth proportional to 2,125,761,813.60, 3,188,642,720.40 and 593,952,021.60 is: 890,928,032.40
Step by Step Solution
- Step 1: Write the proportion equation
2,125,761,813.60 : 3,188,642,720.40 = 593,952,021.60 : x - Step 2: Convert to fraction form
2,125,761,813.60/3,188,642,720.40 = 593,952,021.60/x - Step 3: Cross multiply
2,125,761,813.60x = 3,188,642,720.40 × 593,952,021.60 - Step 4: Simplify right side
2,125,761,813.60x = 1,893,900,789,941,703,680 - Step 5: Solve for x
x = 1,893,900,789,941,703,680/2,125,761,813.60 - Step 6: Final answer
x = 890,928,032.40
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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.