Finding the Fourth Proportional to 7,661,762,664.79, 10,573,227,800.73 and 4,141,497,480.79
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Solution
The fourth proportional to 7,661,762,664.79, 10,573,227,800.73 and 4,141,497,480.79 is: 5,715,263,995.55
Step by Step Solution
- Step 1: Write the proportion equation
7,661,762,664.79 : 10,573,227,800.73 = 4,141,497,480.79 : x - Step 2: Convert to fraction form
7,661,762,664.79/10,573,227,800.73 = 4,141,497,480.79/x - Step 3: Cross multiply
7,661,762,664.79x = 10,573,227,800.73 × 4,141,497,480.79 - Step 4: Simplify right side
7,661,762,664.79x = 43,788,996,300,542,083,072 - Step 5: Solve for x
x = 43,788,996,300,542,083,072/7,661,762,664.79 - Step 6: Final answer
x = 5,715,263,995.55
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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.