Finding the Fourth Proportional to 1,573,783,845.60, 2,362,187,422.80 and 798,305,138.40
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Solution
The fourth proportional to 1,573,783,845.60, 2,362,187,422.80 and 798,305,138.40 is: 1,198,224,497.45
Step by Step Solution
- Step 1: Write the proportion equation
1,573,783,845.60 : 2,362,187,422.80 = 798,305,138.40 : x - Step 2: Convert to fraction form
1,573,783,845.60/2,362,187,422.80 = 798,305,138.40/x - Step 3: Cross multiply
1,573,783,845.60x = 2,362,187,422.80 × 798,305,138.40 - Step 4: Simplify right side
1,573,783,845.60x = 1,885,746,357,485,093,376 - Step 5: Solve for x
x = 1,885,746,357,485,093,376/1,573,783,845.60 - Step 6: Final answer
x = 1,198,224,497.45
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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.