Finding the Fourth Proportional to 637,106,519,879.20, 879,207,350,186.64 and 344,131,441,357.98
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Solution
The fourth proportional to 637,106,519,879.20, 879,207,350,186.64 and 344,131,441,357.98 is: 474,901,579,612.82
Step by Step Solution
- Step 1: Write the proportion equation
637,106,519,879.20 : 879,207,350,186.64 = 344,131,441,357.98 : x - Step 2: Convert to fraction form
637,106,519,879.20/879,207,350,186.64 = 344,131,441,357.98/x - Step 3: Cross multiply
637,106,519,879.20x = 879,207,350,186.64 × 344,131,441,357.98 - Step 4: Simplify right side
637,106,519,879.20x = 302,562,892,672,258,650,669,056 - Step 5: Solve for x
x = 302,562,892,672,258,650,669,056/637,106,519,879.20 - Step 6: Final answer
x = 474,901,579,612.82
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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.