Finding the Fourth Proportional to 263,063,163.60, 368,893,090.80 and 263,063,163.60
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Solution
The fourth proportional to 263,063,163.60, 368,893,090.80 and 263,063,163.60 is: 368,893,090.80
Step by Step Solution
- Step 1: Write the proportion equation
263,063,163.60 : 368,893,090.80 = 263,063,163.60 : x - Step 2: Convert to fraction form
263,063,163.60/368,893,090.80 = 263,063,163.60/x - Step 3: Cross multiply
263,063,163.60x = 368,893,090.80 × 263,063,163.60 - Step 4: Simplify right side
263,063,163.60x = 97,042,183,496,030,048 - Step 5: Solve for x
x = 97,042,183,496,030,048/263,063,163.60 - Step 6: Final answer
x = 368,893,090.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.