Finding the Fourth Proportional to 436,652,427.81, 602,575,780.26 and 238,413,308.18
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Solution
The fourth proportional to 436,652,427.81, 602,575,780.26 and 238,413,308.18 is: 329,007,869.99
Step by Step Solution
- Step 1: Write the proportion equation
436,652,427.81 : 602,575,780.26 = 238,413,308.18 : x - Step 2: Convert to fraction form
436,652,427.81/602,575,780.26 = 238,413,308.18/x - Step 3: Cross multiply
436,652,427.81x = 602,575,780.26 × 238,413,308.18 - Step 4: Simplify right side
436,652,427.81x = 143,662,085,198,819,664 - Step 5: Solve for x
x = 143,662,085,198,819,664/436,652,427.81 - Step 6: Final answer
x = 329,007,869.99
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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.