Finding the Fourth Proportional to 525,557,248.49, 788,414,261.16 and 193,538,729.48
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Solution
The fourth proportional to 525,557,248.49, 788,414,261.16 and 193,538,729.48 is: 290,336,961.09
Step by Step Solution
- Step 1: Write the proportion equation
525,557,248.49 : 788,414,261.16 = 193,538,729.48 : x - Step 2: Convert to fraction form
525,557,248.49/788,414,261.16 = 193,538,729.48/x - Step 3: Cross multiply
525,557,248.49x = 788,414,261.16 × 193,538,729.48 - Step 4: Simplify right side
525,557,248.49x = 152,588,694,404,877,216 - Step 5: Solve for x
x = 152,588,694,404,877,216/525,557,248.49 - Step 6: Final answer
x = 290,336,961.09
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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.