Finding the Fourth Proportional to 436,856,627.84, 602,858,163.12 and 238,618,090.88
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Solution
The fourth proportional to 436,856,627.84, 602,858,163.12 and 238,618,090.88 is: 329,290,789.67
Step by Step Solution
- Step 1: Write the proportion equation
436,856,627.84 : 602,858,163.12 = 238,618,090.88 : x - Step 2: Convert to fraction form
436,856,627.84/602,858,163.12 = 238,618,090.88/x - Step 3: Cross multiply
436,856,627.84x = 602,858,163.12 × 238,618,090.88 - Step 4: Simplify right side
436,856,627.84x = 143,852,863,955,118,016 - Step 5: Solve for x
x = 143,852,863,955,118,016/436,856,627.84 - Step 6: Final answer
x = 329,290,789.67
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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.