Finding the Fourth Proportional to 403,634,009.80, 566,618,163.80 and 403,634,009.80
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Solution
The fourth proportional to 403,634,009.80, 566,618,163.80 and 403,634,009.80 is: 566,618,163.80
Step by Step Solution
- Step 1: Write the proportion equation
403,634,009.80 : 566,618,163.80 = 403,634,009.80 : x - Step 2: Convert to fraction form
403,634,009.80/566,618,163.80 = 403,634,009.80/x - Step 3: Cross multiply
403,634,009.80x = 566,618,163.80 × 403,634,009.80 - Step 4: Simplify right side
403,634,009.80x = 228,706,361,480,107,200 - Step 5: Solve for x
x = 228,706,361,480,107,200/403,634,009.80 - Step 6: Final answer
x = 566,618,163.80
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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.