Finding the Fourth Proportional to 1,560,263,857.83, 2,153,167,001.48 and 845,797,201.83
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Solution
The fourth proportional to 1,560,263,857.83, 2,153,167,001.48 and 845,797,201.83 is: 1,167,201,698.47
Step by Step Solution
- Step 1: Write the proportion equation
1,560,263,857.83 : 2,153,167,001.48 = 845,797,201.83 : x - Step 2: Convert to fraction form
1,560,263,857.83/2,153,167,001.48 = 845,797,201.83/x - Step 3: Cross multiply
1,560,263,857.83x = 2,153,167,001.48 × 845,797,201.83 - Step 4: Simplify right side
1,560,263,857.83x = 1,821,142,624,926,590,208 - Step 5: Solve for x
x = 1,821,142,624,926,590,208/1,560,263,857.83 - Step 6: Final answer
x = 1,167,201,698.47
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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.