Finding the Fourth Proportional to 8,221,493,221.99, 11,345,669,043.16 and 4,462,304,564.68
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Solution
The fourth proportional to 8,221,493,221.99, 11,345,669,043.16 and 4,462,304,564.68 is: 6,157,984,856.72
Step by Step Solution
- Step 1: Write the proportion equation
8,221,493,221.99 : 11,345,669,043.16 = 4,462,304,564.68 : x - Step 2: Convert to fraction form
8,221,493,221.99/11,345,669,043.16 = 4,462,304,564.68/x - Step 3: Cross multiply
8,221,493,221.99x = 11,345,669,043.16 × 4,462,304,564.68 - Step 4: Simplify right side
8,221,493,221.99x = 50,627,830,760,641,437,696 - Step 5: Solve for x
x = 50,627,830,760,641,437,696/8,221,493,221.99 - Step 6: Final answer
x = 6,157,984,856.72
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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.