Finding the Fourth Proportional to 644,859,458,765.44, 890,228,232,997.44 and 401,067,508,624
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Solution
The fourth proportional to 644,859,458,765.44, 890,228,232,997.44 and 401,067,508,624 is: 553,673,540,275.85
Step by Step Solution
- Step 1: Write the proportion equation
644,859,458,765.44 : 890,228,232,997.44 = 401,067,508,624 : x - Step 2: Convert to fraction form
644,859,458,765.44/890,228,232,997.44 = 401,067,508,624/x - Step 3: Cross multiply
644,859,458,765.44x = 890,228,232,997.44 × 401,067,508,624 - Step 4: Simplify right side
644,859,458,765.44x = 357,041,619,515,029,055,340,544 - Step 5: Solve for x
x = 357,041,619,515,029,055,340,544/644,859,458,765.44 - Step 6: Final answer
x = 553,673,540,275.85
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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.