Finding the Fourth Proportional to 1,770,293,750.40, 2,655,440,625.60 and 851,963,702.40
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Solution
The fourth proportional to 1,770,293,750.40, 2,655,440,625.60 and 851,963,702.40 is: 1,277,945,553.60
Step by Step Solution
- Step 1: Write the proportion equation
1,770,293,750.40 : 2,655,440,625.60 = 851,963,702.40 : x - Step 2: Convert to fraction form
1,770,293,750.40/2,655,440,625.60 = 851,963,702.40/x - Step 3: Cross multiply
1,770,293,750.40x = 2,655,440,625.60 × 851,963,702.40 - Step 4: Simplify right side
1,770,293,750.40x = 2,262,339,026,889,548,032 - Step 5: Solve for x
x = 2,262,339,026,889,548,032/1,770,293,750.40 - Step 6: Final answer
x = 1,277,945,553.60
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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.