Finding the Fourth Proportional to 3,658,347,687.02, 5,048,519,807.57 and 2,072,439,645.23
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Solution
The fourth proportional to 3,658,347,687.02, 5,048,519,807.57 and 2,072,439,645.23 is: 2,859,966,710.12
Step by Step Solution
- Step 1: Write the proportion equation
3,658,347,687.02 : 5,048,519,807.57 = 2,072,439,645.23 : x - Step 2: Convert to fraction form
3,658,347,687.02/5,048,519,807.57 = 2,072,439,645.23/x - Step 3: Cross multiply
3,658,347,687.02x = 5,048,519,807.57 × 2,072,439,645.23 - Step 4: Simplify right side
3,658,347,687.02x = 10,462,752,598,901,393,408 - Step 5: Solve for x
x = 10,462,752,598,901,393,408/3,658,347,687.02 - Step 6: Final answer
x = 2,859,966,710.12
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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.