Finding the Fourth Proportional to 292,833,436.82, 403,742,455.16 and 214,380,788.40
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Solution
The fourth proportional to 292,833,436.82, 403,742,455.16 and 214,380,788.40 is: 295,576,307.09
Step by Step Solution
- Step 1: Write the proportion equation
292,833,436.82 : 403,742,455.16 = 214,380,788.40 : x - Step 2: Convert to fraction form
292,833,436.82/403,742,455.16 = 214,380,788.40/x - Step 3: Cross multiply
292,833,436.82x = 403,742,455.16 × 214,380,788.40 - Step 4: Simplify right side
292,833,436.82x = 86,554,625,846,680,544 - Step 5: Solve for x
x = 86,554,625,846,680,544/292,833,436.82 - Step 6: Final answer
x = 295,576,307.09
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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.