Finding the Fourth Proportional to 395,629,415.66, 593,534,517.66 and 136,844,417.54
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Solution
The fourth proportional to 395,629,415.66, 593,534,517.66 and 136,844,417.54 is: 205,297,892.79
Step by Step Solution
- Step 1: Write the proportion equation
395,629,415.66 : 593,534,517.66 = 136,844,417.54 : x - Step 2: Convert to fraction form
395,629,415.66/593,534,517.66 = 136,844,417.54/x - Step 3: Cross multiply
395,629,415.66x = 593,534,517.66 × 136,844,417.54 - Step 4: Simplify right side
395,629,415.66x = 81,221,885,359,067,536 - Step 5: Solve for x
x = 81,221,885,359,067,536/395,629,415.66 - Step 6: Final answer
x = 205,297,892.79
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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.