Finding the Fourth Proportional to 5,345,355,576.99, 7,376,598,001.02 and 2,901,139,863.75
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Solution
The fourth proportional to 5,345,355,576.99, 7,376,598,001.02 and 2,901,139,863.75 is: 4,003,576,976.58
Step by Step Solution
- Step 1: Write the proportion equation
5,345,355,576.99 : 7,376,598,001.02 = 2,901,139,863.75 : x - Step 2: Convert to fraction form
5,345,355,576.99/7,376,598,001.02 = 2,901,139,863.75/x - Step 3: Cross multiply
5,345,355,576.99x = 7,376,598,001.02 × 2,901,139,863.75 - Step 4: Simplify right side
5,345,355,576.99x = 21,400,542,519,631,798,272 - Step 5: Solve for x
x = 21,400,542,519,631,798,272/5,345,355,576.99 - Step 6: Final answer
x = 4,003,576,976.58
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1.5x scale
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.