Finding the Fourth Proportional to 5,326,845,972.77, 7,992,043,472.75 and 1,785,937,790.54
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Solution
The fourth proportional to 5,326,845,972.77, 7,992,043,472.75 and 1,785,937,790.54 is: 2,679,501,629.03
Step by Step Solution
- Step 1: Write the proportion equation
5,326,845,972.77 : 7,992,043,472.75 = 1,785,937,790.54 : x - Step 2: Convert to fraction form
5,326,845,972.77/7,992,043,472.75 = 1,785,937,790.54/x - Step 3: Cross multiply
5,326,845,972.77x = 7,992,043,472.75 × 1,785,937,790.54 - Step 4: Simplify right side
5,326,845,972.77x = 14,273,292,461,647,208,448 - Step 5: Solve for x
x = 14,273,292,461,647,208,448/5,326,845,972.77 - Step 6: Final answer
x = 2,679,501,629.03
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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.