Finding the Fourth Proportional to 567,173,028.80, 850,759,543.20 and 485,543,691.20
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Solution
The fourth proportional to 567,173,028.80, 850,759,543.20 and 485,543,691.20 is: 728,315,536.80
Step by Step Solution
- Step 1: Write the proportion equation
567,173,028.80 : 850,759,543.20 = 485,543,691.20 : x - Step 2: Convert to fraction form
567,173,028.80/850,759,543.20 = 485,543,691.20/x - Step 3: Cross multiply
567,173,028.80x = 850,759,543.20 × 485,543,691.20 - Step 4: Simplify right side
567,173,028.80x = 413,080,928,928,953,856 - Step 5: Solve for x
x = 413,080,928,928,953,856/567,173,028.80 - Step 6: Final answer
x = 728,315,536.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.