Finding the Fourth Proportional to 28,496,131,896.49, 39,308,323,831 and 17,772,635,305.08
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Solution
The fourth proportional to 28,496,131,896.49, 39,308,323,831 and 17,772,635,305.08 is: 24,516,046,824.88
Step by Step Solution
- Step 1: Write the proportion equation
28,496,131,896.49 : 39,308,323,831 = 17,772,635,305.08 : x - Step 2: Convert to fraction form
28,496,131,896.49/39,308,323,831 = 17,772,635,305.08/x - Step 3: Cross multiply
28,496,131,896.49x = 39,308,323,831 × 17,772,635,305.08 - Step 4: Simplify right side
28,496,131,896.49x = 698,612,503,902,348,247,040 - Step 5: Solve for x
x = 698,612,503,902,348,247,040/28,496,131,896.49 - Step 6: Final answer
x = 24,516,046,824.88
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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.