Finding the Fourth Proportional to 892,112,832.24, 1,231,043,536.14 and 515,793,563.48
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Solution
The fourth proportional to 892,112,832.24, 1,231,043,536.14 and 515,793,563.48 is: 711,753,389.66
Step by Step Solution
- Step 1: Write the proportion equation
892,112,832.24 : 1,231,043,536.14 = 515,793,563.48 : x - Step 2: Convert to fraction form
892,112,832.24/1,231,043,536.14 = 515,793,563.48/x - Step 3: Cross multiply
892,112,832.24x = 1,231,043,536.14 × 515,793,563.48 - Step 4: Simplify right side
892,112,832.24x = 634,964,332,304,670,848 - Step 5: Solve for x
x = 634,964,332,304,670,848/892,112,832.24 - Step 6: Final answer
x = 711,753,389.66
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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.