Finding the Fourth Proportional to 3,534,238,906.37, 4,877,264,473.70 and 1,948,296,052.97
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Solution
The fourth proportional to 3,534,238,906.37, 4,877,264,473.70 and 1,948,296,052.97 is: 2,688,656,702.37
Step by Step Solution
- Step 1: Write the proportion equation
3,534,238,906.37 : 4,877,264,473.70 = 1,948,296,052.97 : x - Step 2: Convert to fraction form
3,534,238,906.37/4,877,264,473.70 = 1,948,296,052.97/x - Step 3: Cross multiply
3,534,238,906.37x = 4,877,264,473.70 × 1,948,296,052.97 - Step 4: Simplify right side
3,534,238,906.37x = 9,502,355,123,400,513,536 - Step 5: Solve for x
x = 9,502,355,123,400,513,536/3,534,238,906.37 - Step 6: Final answer
x = 2,688,656,702.37
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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.