Finding the Fourth Proportional to 11,838,417,650.49, 16,339,121,342.21 and 7,081,216,896
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Solution
The fourth proportional to 11,838,417,650.49, 16,339,121,342.21 and 7,081,216,896 is: 9,773,338,424.96
Step by Step Solution
- Step 1: Write the proportion equation
11,838,417,650.49 : 16,339,121,342.21 = 7,081,216,896 : x - Step 2: Convert to fraction form
11,838,417,650.49/16,339,121,342.21 = 7,081,216,896/x - Step 3: Cross multiply
11,838,417,650.49x = 16,339,121,342.21 × 7,081,216,896 - Step 4: Simplify right side
11,838,417,650.49x = 115,700,862,114,216,247,296 - Step 5: Solve for x
x = 115,700,862,114,216,247,296/11,838,417,650.49 - Step 6: Final answer
x = 9,773,338,424.96
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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.