Finding the Fourth Proportional to 1,613,994,263.21, 2,227,243,265.97 and 899,491,796.45
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Solution
The fourth proportional to 1,613,994,263.21, 2,227,243,265.97 and 899,491,796.45 is: 1,241,260,326.70
Step by Step Solution
- Step 1: Write the proportion equation
1,613,994,263.21 : 2,227,243,265.97 = 899,491,796.45 : x - Step 2: Convert to fraction form
1,613,994,263.21/2,227,243,265.97 = 899,491,796.45/x - Step 3: Cross multiply
1,613,994,263.21x = 2,227,243,265.97 × 899,491,796.45 - Step 4: Simplify right side
1,613,994,263.21x = 2,003,387,046,438,520,320 - Step 5: Solve for x
x = 2,003,387,046,438,520,320/1,613,994,263.21 - Step 6: Final answer
x = 1,241,260,326.70
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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.